Always verify your bypass humidifier's model number before ordering

Ideal for technicians seeking a reliable HVAC temperature sensor to prevent equipment failure through precise thermal feedback

Can this module be used with a 120V ignitor

8" WC and is primarily used with Field Controls power venting systems

Lennox 49F59 Defrost Relay R-410A Always verify your bypass humidifier'sThe Lennox 49F59 Defrost Relay (also identified under part number 49F5901) is an essential OEM switching component designed for precise defrost cycle management in residential and commercial heat pump systems. As a veteran grade SPDT and DPST relay, this unit operates within a 208 240V range at 60Hz, providing the heavy duty electrical switching required to energize defrost heaters and manage reversing valve transitions. This part is critical for