Lennox 34M74 Pressure Switch Els PW 17895 Its bronze construction and stainless

Its bronze construction and stainless steel stem assembly provide reliable service in closed-loop systems with up to 50% glycol concentrations

Can this switch be used to sense negative pressure

Relying on this 370 volt 5 MFD capacitor ensures your equipment maintains its SEER rating and operational stability without the risks associated with generic alternatives

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 Its bronze construction and stainlessThe 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