Unlike automatic limit switches

Features durable sealing materials designed to resist chemical degradation from common refrigerants and lubricants

This HVAC reversing valve is a reliable solution for contractors looking to restore defrost functionality or heat pump performance in commercial and residential settings

Streamline your system maintenance with the Emerson Alco 806754 ball valve

For 1-1/2" (38 mm) stroke actuators

McDonnell & Miller 851 Water Feeder 30067439-890 Unlike automatic limit switchesMcDonnell & Miller 851?Make Up Water Feeder for receiver tanks with Mounting Flange rated at 35 PSI (Part Number 136700) This item is not qualify for free shipping.