From 33dacb06ff7fa4755acde1efcca1172a33d8724a Mon Sep 17 00:00:00 2001
From: Jeroen <jjansen@gmail.com>
Date: Wed, 29 Jul 2026 18:57:03 +0200
Subject: [PATCH] [opentherm] Restore idle output when stopped (#17834)

Co-authored-by: jeroen85 <26403565+jeroen85@users.noreply.github.com>
---
 esphome/components/opentherm/opentherm.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/esphome/components/opentherm/opentherm.cpp b/esphome/components/opentherm/opentherm.cpp
index e05dbf8d82..3343871cd0 100644
--- a/esphome/components/opentherm/opentherm.cpp
+++ b/esphome/components/opentherm/opentherm.cpp
@@ -114,6 +114,7 @@ bool OpenTherm::get_protocol_error(OpenThermError &error) {
 void OpenTherm::stop() {
   this->stop_timer_();
   this->mode_ = OperationMode::IDLE;
+  this->out_pin_->digital_write(true);
 }
 
 void IRAM_ATTR OpenTherm::read_() {