From e2d3c0ea8f422c6eb45d900e58dad368b86f456c Mon Sep 17 00:00:00 2001
From: Pim <17709721+PimDoos@users.noreply.github.com>
Date: Mon, 29 Mar 2021 12:45:44 +0200
Subject: [PATCH] Don't write 0 to next modbus register (#48378)

---
 homeassistant/components/modbus/climate.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/homeassistant/components/modbus/climate.py b/homeassistant/components/modbus/climate.py
index 60e1659c7f..6ca1d5d63d 100644
--- a/homeassistant/components/modbus/climate.py
+++ b/homeassistant/components/modbus/climate.py
@@ -276,7 +276,7 @@ class ModbusThermostat(ClimateEntity):
     def _write_register(self, register, value):
         """Write holding register using the Modbus hub slave."""
         try:
-            self._hub.write_registers(self._slave, register, [value, 0])
+            self._hub.write_registers(self._slave, register, value)
         except ConnectionException:
             self._available = False
             return