Weil McLain 510-312-091 Hi-Low Limit 320788-703 this centrifugal blower facilitates the

this centrifugal blower facilitates the negative pressure required to purge the heat exchanger of combustion byproducts

The 36-inch capillary tube with a 1/4-inch female flare nut allows for flexible mounting

a fatigued or ruptured diaphragm can lead to erratic pressure fluctuations or total valve failure

making it a reliable choice for refrigeration compressor repair and preventative maintenance schedules in demanding environments

Weil McLain 510-312-091 Hi-Low Limit 320788-703 this centrifugal blower facilitates theThe Weil McLain 510 312 091 Hi Low Limit is a specialized hydronic control engineered for precise water temperature regulation in residential and commercial boiler systems. Designed for field proven reliability, this aquastat limit control manages the high limit (to prevent system overheating) and the low limit (to maintain base water temperature), crucial for boilers equipped with tankless coils. This W M OEM part features a 120 VAC power rating with