{"id":8754,"date":"2025-07-19T12:43:35","date_gmt":"2025-07-19T10:43:35","guid":{"rendered":"https:\/\/www.sigalou-domotique.fr\/?p=8754"},"modified":"2026-01-01T16:35:04","modified_gmt":"2026-01-01T14:35:04","slug":"je-teste-la-vanne-darrosage-l14-nous","status":"publish","type":"post","link":"https:\/\/www.sigalou-domotique.fr\/en\/je-teste-la-vanne-darrosage-l14-nous","title":{"rendered":"I am testing the Smart Watering Valve L14 We"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_89 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<label for=\"ez-toc-cssicon-toggle-item-6ae946628aea7\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6ae946628aea7\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.sigalou-domotique.fr\/en\/je-teste-la-vanne-darrosage-l14-nous\/#%F0%9F%A7%AA_Je_teste_la_vanne_darrosage_L14_Nous\" >\ud83e\uddea I test the watering valve L14 We<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.sigalou-domotique.fr\/en\/je-teste-la-vanne-darrosage-l14-nous\/#%F0%9F%93%A6_Presentation_du_produit\" >\ud83d\udce6 Product Overview<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.sigalou-domotique.fr\/en\/je-teste-la-vanne-darrosage-l14-nous\/#%F0%9F%94%8D_Caracteristiques_techniques_detaillees\" >\ud83d\udd0d Detailed technical specifications<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.sigalou-domotique.fr\/en\/je-teste-la-vanne-darrosage-l14-nous\/#%F0%9F%93%B8_Deballage_et_contenu_de_la_boite\" >\ud83d\udcf8 Unpacking and box contents<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.sigalou-domotique.fr\/en\/je-teste-la-vanne-darrosage-l14-nous\/#%F0%9F%9B%92_Ou_acheter_cet_equipement\" >\ud83d\uded2 Where to buy this equipment?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.sigalou-domotique.fr\/en\/je-teste-la-vanne-darrosage-l14-nous\/#%F0%9F%94%8B_Installation_des_piles\" >\ud83d\udd0b Installation of batteries<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.sigalou-domotique.fr\/en\/je-teste-la-vanne-darrosage-l14-nous\/#%F0%9F%94%A7_Integration_Zigbee2MQTT_Home_Assistant\" >\ud83d\udd27 Integration Zigbee2MQTT \/ Home Assistant<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.sigalou-domotique.fr\/en\/je-teste-la-vanne-darrosage-l14-nous\/#%F0%9F%93%91_Parametres_exposes_dans_Zigbee2MQTT\" >\ud83d\udcd1 Parameters Exposed in Zigbee2MQTT<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.sigalou-domotique.fr\/en\/je-teste-la-vanne-darrosage-l14-nous\/#%F0%9F%A4%AF_Gallons%E2%80%AF_Cest_quoi_cette_histoire%E2%80%AF\" >\ud83e\udd2f Gallons?? What is this story?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.sigalou-domotique.fr\/en\/je-teste-la-vanne-darrosage-l14-nous\/#%E2%9A%99%EF%B8%8F_Commandes_statuts_que_jutilise\" >\u2699  Commands &amp; statuses I use<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.sigalou-domotique.fr\/en\/je-teste-la-vanne-darrosage-l14-nous\/#%F0%9F%93%8A_Carte_Lovelace%E2%80%AF_mon_tableau_de_bord_eau\" >\ud83d\udcca Carte Lovelace: my Water Dashboard<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.sigalou-domotique.fr\/en\/je-teste-la-vanne-darrosage-l14-nous\/#%E2%9A%96%EF%B8%8F_Points_forts_Points_faibles\" >\u2696  Strengths \/ Weaknesses<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.sigalou-domotique.fr\/en\/je-teste-la-vanne-darrosage-l14-nous\/#%E2%9C%85_Conclusion\" >\u2705 Conclusion<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.sigalou-domotique.fr\/en\/je-teste-la-vanne-darrosage-l14-nous\/#%F0%9F%93%91_Annexe_humoristique%E2%80%AF_la_notice_papier_decryptee\" >\ud83d\udcd1 Annex (humorous): the decrypted paper record<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"%F0%9F%A7%AA_Je_teste_la_vanne_darrosage_L14_Nous\"><\/span>\ud83e\uddea I test the watering valve L14 We<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/www.sigalou-domotique.fr\/wp-content\/uploads\/2025\/07\/vanne4.png\" alt=\"Watering valve L14 We\" width=\"252\" height=\"220\" \/><\/p>\n<p>It all starts one morning when I want to pilot the pool filling, even remotely. I receive the <strong>Connected valve <a href=\"https:\/\/www.sigalou-domotique.fr\/en\/product\/l14\/\" target=\"_blank\" rel=\"noopener\">L14<\/a><\/strong> from <strong>We<\/strong>. Quickly, I <strong>unpacks<\/strong> the package, I analyse each <strong>technical detail<\/strong>, then I<strong>integrates<\/strong> the valve in Zigbee2MQTT and Home Assistant. Then I realize a real <strong>flow meter audit<\/strong> (you will see, the history of the gallons is worth a visit!).<\/p>\n<p>Finally, I make a <strong>Lovelace Card<\/strong> ready to use, then I take stock after several watering sessions and a complete filling of the pool.<\/p>\n<p><!--more--><\/p>\n<h2><span class=\"ez-toc-section\" id=\"%F0%9F%93%A6_Presentation_du_produit\"><\/span>\ud83d\udce6 Product Overview<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>First contact: the <a href=\"https:\/\/www.sigalou-domotique.fr\/en\/product\/l14\/\" target=\"_blank\" rel=\"noopener\">L14<\/a> works in Zigbee 3.0, totally <em>in local<\/em> without depending on the cloud.<br \/>\nThe big advantage is its <strong>Integrated Flow Meter<\/strong> which measures each litre consumed at the outlet of the tap.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%F0%9F%94%8D_Caracteristiques_techniques_detaillees\"><\/span>\ud83d\udd0d Detailed technical specifications<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<table>\n<thead>\n<tr>\n<th>Function<\/th>\n<th>Detail<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Radio protocol<\/td>\n<td>Zigbee 3.0 \/ Tuya TS0601<\/td>\n<\/tr>\n<tr>\n<td>Power supply<\/td>\n<td>4 \u00d7 AA batteries (supplied)<\/td>\n<\/tr>\n<tr>\n<td>No screws<\/td>\n<td>\u00be\u2033 input &amp; output, \u00bd\u2033 adapter included<\/td>\n<\/tr>\n<tr>\n<td>IP Index<\/td>\n<td>IP66 (dust + projections)<\/td>\n<\/tr>\n<tr>\n<td>Features<\/td>\n<td>Flow meter, child lock, timer, reset counter<\/td>\n<\/tr>\n<tr>\n<td>Operating temperature<\/td>\n<td>-10 \u00b0C \u2192 50 \u00b0C (notice)<\/td>\n<\/tr>\n<tr>\n<td>Actual dimensions<\/td>\n<td>96 \u00d7 152 \u00d7 79 mm (excluding fittings)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span class=\"ez-toc-section\" id=\"%F0%9F%93%B8_Deballage_et_contenu_de_la_boite\"><\/span>\ud83d\udcf8 Unpacking and box contents<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"aligncenter\" style=\"max-width: 70%; height: auto;\" src=\"https:\/\/www.sigalou-domotique.fr\/wp-content\/uploads\/2025\/07\/20250714_174939-scaled.jpg\" alt=\"Contents of the valve box L14 We\" \/><\/p>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"aligncenter\" style=\"max-width: 70%; height: auto;\" src=\"https:\/\/www.sigalou-domotique.fr\/wp-content\/uploads\/2025\/07\/20250714_175015-scaled.jpg\" alt=\"Unpacking of valve L14 We\" \/><\/p>\n<p>When I open the box, I find:<\/p>\n<ul>\n<li>The Valve <a href=\"https:\/\/www.sigalou-domotique.fr\/en\/product\/l14\/\" target=\"_blank\" rel=\"noopener\">L14<\/a> already assembled<\/li>\n<li>The \u00bd\u2033 \u2192 \u00be\u2033 adapter, ideal for old taps<\/li>\n<li>An extractable battery drawer<\/li>\n<li>A Torx screw to secure the drawer<\/li>\n<li>A note designed for the mobile application (see annex for some unusual translations)<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"%F0%9F%9B%92_Ou_acheter_cet_equipement\"><\/span>\ud83d\uded2 Where to buy this equipment?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Here is the link to the page dedicated to <a href=\"https:\/\/www.sigalou-domotique.fr\/en\/product\/l14\/\" target=\"_blank\" rel=\"noopener\">L14<\/a>. I referenced the sellers and prices.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%F0%9F%94%8B_Installation_des_piles\"><\/span>\ud83d\udd0b Installation of batteries<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"aligncenter\" style=\"max-width: 70%; height: auto;\" src=\"https:\/\/www.sigalou-domotique.fr\/wp-content\/uploads\/2025\/07\/20250714_184102-scaled.jpg\" alt=\"Open battery compartment\" \/><\/p>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"aligncenter\" style=\"max-width: 70%; height: auto;\" src=\"https:\/\/www.sigalou-domotique.fr\/wp-content\/uploads\/2025\/07\/20250714_184146-scaled.jpg\" alt=\"AA Battery Drawer\" \/><\/p>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"aligncenter\" style=\"max-width: 70%; height: auto;\" src=\"https:\/\/www.sigalou-domotique.fr\/wp-content\/uploads\/2025\/07\/20250714_184202-scaled.jpg\" alt=\"Batteries installed\" \/><\/p>\n<p>I remove the orange drawer, insert the four AA batteries while respecting the polarity, and then return: the valve is ready to be paired.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%F0%9F%94%A7_Integration_Zigbee2MQTT_Home_Assistant\"><\/span>\ud83d\udd27 Integration Zigbee2MQTT \/ Home Assistant<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The integration steps are as follows:<\/p>\n<ol>\n<li>I launch the pairing mode in Zigbee2MQTT<\/li>\n<li>I press the red button for 6 seconds (don\u2019t rely on the leaflet that says \u20185-7 \u00b0C\u2019 \ud83d\ude05)<\/li>\n<li>The LED flashes rapidly: successful inclusion<\/li>\n<\/ol>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"aligncenter\" style=\"max-width: 70%; height: auto;\" src=\"https:\/\/www.sigalou-domotique.fr\/wp-content\/uploads\/2025\/07\/vanne1.png\" alt=\"Info Zigbee2MQTT We L14\" \/><\/p>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"aligncenter\" style=\"max-width: 70%; height: auto;\" src=\"https:\/\/www.sigalou-domotique.fr\/wp-content\/uploads\/2025\/07\/vanne2.png\" alt=\"Tab Exposed We L14\" \/><\/p>\n<p>I then rename the module as <code>Watering Valve<\/code> for clearer management in my automations.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%F0%9F%93%91_Parametres_exposes_dans_Zigbee2MQTT\"><\/span>\ud83d\udcd1 Parameters Exposed in Zigbee2MQTT<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<table>\n<thead>\n<tr>\n<th>Name<\/th>\n<th>Type<\/th>\n<th>Description<\/th>\n<th>Usefulness<\/th>\n<th>HA sensor<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>State<\/strong><\/td>\n<td>\u2705 Command<\/td>\n<td>ON\/OFF<\/td>\n<td>Open\/Farm<\/td>\n<td><code>switch.vanne _watering<\/code><\/td>\n<\/tr>\n<tr>\n<td><strong>Status<\/strong><\/td>\n<td>\u2139  Info<\/td>\n<td>off, app_manual, key_control<\/td>\n<td>Current state<\/td>\n<td><code>sensor.vanne _arrosage _status<\/code><\/td>\n<\/tr>\n<tr>\n<td><strong>Countdown<\/strong><\/td>\n<td>\u2705 Command<\/td>\n<td>Timer<\/td>\n<td>Timed watering<\/td>\n<td><code>number.vanne_arrosage_countdown<\/code><\/td>\n<\/tr>\n<tr>\n<td><strong>Countdown left<\/strong><\/td>\n<td>\u2139  Info<\/td>\n<td>Time remaining<\/td>\n<td>Before closing<\/td>\n<td><code>sensor.vanne_arrosage_countdown_left<\/code><\/td>\n<\/tr>\n<tr>\n<td><strong>Total water<\/strong><\/td>\n<td>\u2139  Info<\/td>\n<td>Volume (gal)<\/td>\n<td>Meter Index<\/td>\n<td><code>sensor.vanne_arrosage_water_total<\/code><\/td>\n<\/tr>\n<tr>\n<td><strong>Water current<\/strong><\/td>\n<td>\u2139  Info<\/td>\n<td>Flow rate gal\/min<\/td>\n<td>Snapshot<\/td>\n<td><code>sensor.vanne_arrosage_water_current<\/code><\/td>\n<\/tr>\n<tr>\n<td><strong>Current switch<\/strong><\/td>\n<td>\u2705 Command<\/td>\n<td>Start\/Stop measurement<\/td>\n<td>Battery economy<\/td>\n<td><code>switch.vanne_arrosage_current_switch<\/code><\/td>\n<\/tr>\n<tr>\n<td><strong>Reset switch<\/strong><\/td>\n<td>\u2705 Command<\/td>\n<td>Discounted to 0<\/td>\n<td>Index 0<\/td>\n<td><code>switch.vanne_arrosage_reset_switch<\/code><\/td>\n<\/tr>\n<tr>\n<td><strong>Child lock<\/strong><\/td>\n<td>\u2705 Command<\/td>\n<td>Child lock<\/td>\n<td>Disable button<\/td>\n<td><code>switch.vanne _arrosage _child _lock<\/code><\/td>\n<\/tr>\n<tr>\n<td><strong>Battery*<\/strong><\/td>\n<td>\u2139  Info<\/td>\n<td>%<\/td>\n<td>Battery level<\/td>\n<td><code>sensor.vanne _arrosage _battery<\/code><\/td>\n<\/tr>\n<tr>\n<td><strong>Linkquality<\/strong><\/td>\n<td>\u2139  Info<\/td>\n<td>dBm<\/td>\n<td>RSSI Zigbee<\/td>\n<td><code>sensor.vanne _arrosage _linkquality<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><em>* After 10 days of use, the value remains at 0\u202f%\u202f: The firmware does not reassemble the battery. This is a known problem on this model.<\/em><\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/www.sigalou-domotique.fr\/wp-content\/uploads\/2025\/07\/vanne5.png\" alt=\"Info We Valve L14 in Zigbee2MQTT\" width=\"398\" height=\"75\" \/><\/p>\n<p><a href=\"https:\/\/www.zigbee2mqtt.io\/devices\/L14.html\" target=\"_blank\" rel=\"noopener\">Sources Integration Zigbee2MQTT<\/a><\/p>\n<h2><span class=\"ez-toc-section\" id=\"%F0%9F%A4%AF_Gallons%E2%80%AF_Cest_quoi_cette_histoire%E2%80%AF\"><\/span>\ud83e\udd2f Gallons?? What is this story?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>In wanting to convert gallons into liters, I find that the <a href=\"https:\/\/www.sigalou-domotique.fr\/en\/product\/l14\/\" target=\"_blank\" rel=\"noopener\">L14<\/a> does not use or <em>US gallon<\/em> (3,785 L), nor the <em>gallon UK<\/em> (4,546 L): it underestimates by around 5\u202f%. So I do the bucket test:<\/p>\n<h4>\ud83d\udd2c Small Bucket Test<\/h4>\n<table>\n<thead>\n<tr>\n<th>Step<\/th>\n<th>Measure<\/th>\n<th>Result<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>10 L real<\/td>\n<td>2,098 gal<\/td>\n<td>\u2192 7.94 L (-20\u202f%)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>\u2694 \ud83c\uddfa\ud83c\uddf8 The Gallon War \ud83c\uddec\ud83c\udde7 vs<\/h4>\n<table>\n<thead>\n<tr>\n<th>Unit<\/th>\n<th>Expected for 10 L<\/th>\n<th>Deviation<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Gallon US<\/td>\n<td>2.64 gal<\/td>\n<td>-20\u202f%<\/td>\n<\/tr>\n<tr>\n<td>Gallon UK<\/td>\n<td>2.20 gal<\/td>\n<td>-5\u202f%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>To correct in Home Assistant, I therefore use the <strong>magic constant: 4,456 L\/gal<\/strong>.<\/p>\n<h4>\ud83d\udcd0 Template Home Assistant corrected<\/h4>\n<pre><code class=\"language-yaml\"># templates.yaml - sensor: - name: \"Total watering valve litres\" unit_of_measurement: \"L\" device _class: water state_class: total_increasing state: &gt;- {% set gal = states('sensor.vanne_arrosage _water _total') | float %} {{ (gal * 4.456) | round(2) }} - name: \"Water current litres\" unit _of _measurement: \"L\/min\" device_class: water state_class: measurement state: &gt;- {% set gpm = states('sensor.vanne _arrosage _water _current') | float %} {{ (gpm * 4.456) | round(2) }}\r\n<\/code><\/pre>\n<h2><span class=\"ez-toc-section\" id=\"%E2%9A%99%EF%B8%8F_Commandes_statuts_que_jutilise\"><\/span>\u2699  Commands &amp; statuses I use<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li><strong>ON<\/strong>\u202f: the valve remains open until OFF<\/li>\n<li><strong>Countdown<\/strong>\u202f: I inform a time in minutes, the valve closes alone<\/li>\n<li><strong>Reset switch<\/strong>\u202f: by sending \"ON\", the counter starts again at 0<\/li>\n<li><strong>Status<\/strong>\u202f: alternates between <code>off<\/code>, <code>app_manual<\/code>, <code>key_control<\/code><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"%F0%9F%93%8A_Carte_Lovelace%E2%80%AF_mon_tableau_de_bord_eau\"><\/span>\ud83d\udcca Carte Lovelace: my Water Dashboard<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>To keep track of all consumption, I design a Lovelace card showing: the instantaneous throughput, the total index (L), a \u2018Reset counter\u2019 button and the 24-hour or monthly histories.<\/p>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"aligncenter\" style=\"max-width: 60%; height: auto;\" src=\"https:\/\/www.sigalou-domotique.fr\/wp-content\/uploads\/2025\/07\/vanne3.png\" alt=\"Lovelace Map Watering Valve\" \/><\/p>\n<pre><code class=\"language-yaml\">type: vertical-stack cards: - type: gauge entity: sensor.vanne _arrosage _water _current _litres name: Instantaneous flow unit: L\/min min: 0 max: 15 severity: green: 0 yellow: 5 red: 10 - type: entities title: Water meter \u2013 Watering valve show _header _toggle: false entities: - entity: sensor.vanne_arrosage_water_total_litres name: Total water (L) icon: mdi:counter - type: divider - entity: switch.vanne _arrosage name: State of the valve icon: mdi:valve - type: button name: Reset counter icon: mdi:restart tap_action: action: call-service service: mqtt.publish data: topic: \"zigbee2mqtt\/Vanne Watering\/set\" payload: '{\"reset _switch\":\"ON\"}' qos: 0 retains: false - type: statistics-graph title: Flow history (24 h) entities: [sensor.vanne_waterwaterwater _current _litres] stat_types: [mean] days_to _show: 1 chart_type: line - type: statistics-graph title: Monthly consumption entities: [sensor.vanne_waterwater _total_litres] stat_types: [min, max] days_to _show: 31 chart_type: area\r\n<\/code><\/pre>\n<p><em>If I rename the valve, I think about modifying the topic MQTT in the map.<\/em><\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E2%9A%96%EF%B8%8F_Points_forts_Points_faibles\"><\/span>\u2696  Strengths \/ Weaknesses<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li><strong>\ud83d\udc4d Strengths<\/strong> : price, local integration, flow meter, IP66, standard AA batteries<\/li>\n<li><strong>\ud83d\udc4e Weaknesses<\/strong> : unclear notice, % Absent battery, limited accuracy at low flow rate<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"%E2%9C%85_Conclusion\"><\/span>\u2705 Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>For less than 45 \u20ac, the We <a href=\"https:\/\/www.sigalou-domotique.fr\/en\/product\/l14\/\" target=\"_blank\" rel=\"noopener\">L14<\/a> fulfills (almost) all my expectations. Thanks to the gallon-to-litre conversion and a tailor-made Lovelace card, I perfectly control the outdoor watering and I know exactly how much water is used, even for the pool!<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%F0%9F%93%91_Annexe_humoristique%E2%80%AF_la_notice_papier_decryptee\"><\/span>\ud83d\udcd1 Annex (humorous): the decrypted paper record<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Some pearls found in the manual:<\/p>\n<ul>\n<li>\u2018Connection to the Wi-Fi network\u2019 (although this is Zigbee \u2026)<\/li>\n<li>\"Keep 5-7\u00b0C\" (not seconds!)<\/li>\n<li>An entire paragraph on a \u2026 camera that does not exist<\/li>\n<li>Translations like \"spill light\" \u2026 we appreciate!<\/li>\n<\/ul>\n<p>Download the original notice: <a href=\"https:\/\/www.sigalou-domotique.fr\/wp-content\/uploads\/2025\/07\/ZigBee-Nous-L14.pdf\" target=\"_blank\" rel=\"noopener\">PDF<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>\ud83e\uddea I test the watering valve L14 We all start one morning when I want to control the filling of the pool, even remotely. I receive the connected valve L14 from Us. I quickly unpack the package, analyse every technical detail and then integrate the valve into Zigbee2MQTT and Home Assistant. Then I make a real [\u2026]<\/p>","protected":false},"author":1,"featured_media":8761,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[14,108,68],"tags":[],"class_list":["post-8754","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-domotique","category-test-produit","category-zigbee-materiels"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.sigalou-domotique.fr\/en\/wp-json\/wp\/v2\/posts\/8754","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sigalou-domotique.fr\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sigalou-domotique.fr\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sigalou-domotique.fr\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sigalou-domotique.fr\/en\/wp-json\/wp\/v2\/comments?post=8754"}],"version-history":[{"count":0,"href":"https:\/\/www.sigalou-domotique.fr\/en\/wp-json\/wp\/v2\/posts\/8754\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.sigalou-domotique.fr\/en\/wp-json\/wp\/v2\/media\/8761"}],"wp:attachment":[{"href":"https:\/\/www.sigalou-domotique.fr\/en\/wp-json\/wp\/v2\/media?parent=8754"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sigalou-domotique.fr\/en\/wp-json\/wp\/v2\/categories?post=8754"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sigalou-domotique.fr\/en\/wp-json\/wp\/v2\/tags?post=8754"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}