This reduces internal friction and heat buildup

variable-speed unit (600-1200 RPM) engineered specifically for Lennox

provides a clear electrical signal to the controller confirming that a safety switch or valve has fully closed before the system proceeds with the next step of the firing sequence

As a direct replacement for P463-A38

Resideo T812A1002 Thermostat 321702-401 This reduces internal friction andThe Resideo T812A1002 Thermostat is a low voltage, mercury free mechanical controller engineered for 1 stage heat only applications. Featuring a snap acting SPST switch, this unit provides reliable control for 24V gas or oil heating systems, including floor and wall furnaces. Designed with a 45 95 degree temperature range and accurate to + 3 degrees, it ensures consistent terminal cycling without the need for leveling during installation. This Premier