LED indicator provides immediate visual confirmation of coil activation for rapid troubleshooting

to prevent nuisance tripping and ensure accurate negative pressure sensing

the Copeland 756-50 utilizes a snap-action contact mechanism to ensure clean switching and prevent arcing in demanding environments

Complete Replacement Kit: Includes silicone tubing

Reliable Connections: Features dual 1/4" barb ports for a leak-proof seal with standard vacuum hoses

McDonnell & Miller 53-2-HD Control R-22 LED indicator provides immediate visualMcDonnell & Miller?53 2 HD Mechanical Water Feeder and Low Water Cut Off for Low Pressure Steam and Hot Water Boilers with 75 PSI Max Vessel Pressure and Snap Acting SPDT Switch Head Mechanism Only (Part Number 137300) This item is not qualify for free shipping.