Lennox 34M74 Pressure Switch Els PW 17895 Designed specifically for integration with

Designed specifically for integration with the Nor'East Type 05 pneumatic actuator and compatible V5011 globe valves

The Rheem-Ruud 42-25106-01 Defrost Relay is a heavy-duty 24V DPDT (Double Pole Double Throw) component designed for precise defrost cycle management in residential and commercial condensing units

Durable Construction: Built to withstand high-cycle thermal stress in heavy-duty HVAC applications

the EK series offers the industry standard in low pressure drop performance and system cleanliness

Can I use an aftermarket relay instead

Lennox 34M74 Pressure Switch Els PW 17895 Designed specifically for integration withThe Lennox 34M74 Pressure Switch is a critical safety component engineered for precision monitoring of combustion air in residential and commercial HVAC systems. This OEM Lennox replacement part features a single pole, single throw (SPST) electrical configuration, meticulously calibrated to an actuation point of . 33" WC (inches water column). Designed with a standard 1 4" barb connection, it ensures a secure, leak proof interface with the inducer