and water applications up to 180°F

Industrial Durability: Specifically manufactured to handle the harsh vibrations of tandem compressor discharge lines

and Luxaire air handlers without the need for mounting bracket modifications

it cannot generate enough draft to close the switch

technicians can ensure reliable pilot burner spark generation and prevent intermittent ignition failures caused by corroded or loose terminal connections

McDonnell & Miller 51-S-2-HD Cut Off THPU32HP7Y and water applications up toThe McDonnell & Miller 51 S 2 HD (Part Number 136200) serves as a heavy duty head mechanism only for professional grade water level control. Engineered for high capacity low pressure steam and hot water boiler systems, this unit integrates a mechanical water feeder with a low water cut off (LWCO) function via a built in Snap Acting SPDT switch (No. 2 Switch). It is designed to handle a maximum vessel pressure of 35 PSI and an inlet water supply up to