Key Benefits for the Technician Internal Check Valve: Simplifies heat pump installations by allowing reverse flow without extra check valve piping
The Ranco P30-3801 senses this difference automatically via its dual pressure ports
Modular Sensor Design: Supports various smart sensor cartridges for detecting CO
this switch is the direct cross-referenced replacement for the legacy 632477 model
maintenance shops
Miscellaneous Product WD-1B Water Detector Els PW 29614 Key Benefits for the TechnicianWater Detector, 24 Vac Vdc, SPDT Contacts, Weatherproof Enclosure WD 1B Water Detector 24V AC DC, SPDT Contacts, Weatherproof NEMA 4 Enclosure The WD 1B Water Detector is a high reliability moisture detection device designed for leak monitoring in demanding environments. Featuring a 24 Vac Vdc nominal supply voltage, SPDT relay contacts, and a weatherproof NEMA 4 cast aluminum enclosure, this unit is built for durability, precision, and long term