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The R845A1030 from Honeywell is a Switching Relay, DPST. It provides intermediate switching of a lin..
$ 98.95
The R8845U1003 from Honeywell is a Universal Switching Relay with internal transformer. This switchi..
$ 75.95
The RA89A1074 from Honeywell is a 1 Zone Switching Relay with internal transformer. It provides inte..
$ 79.95
The SR502-4 from Taco is a 2-Zone Switching Relay with Priority. It combines clearly labeled PC boar..
$ 160.95
The SR503-4 from Taco is a 3-Zone Switching Relay with Priority. It combines clearly labeled PC boar..
$ 0.00
The SR303-EXP-4 from Taco is a 3-Zone Expandable Switching Relay with Priority. It combines clearly ..
$ 174.95
The SR504-4 from Taco is a 4-Zone Switching Relay w/ Priority. It combines clearly labeled PC board ..
$ 205.95
The SR504-EXP-4 from Taco is a 4-Zone Expandable Switching Relay with Priority. It Combines cl..
$ 205.95
The SR506-4 from Taco is a 6-Zone Switching Relay with Priority. It combines clearly labeled PC boar..
$ 250.95
The SR506-EXP-4 from Taco is a 6-Zone Expandable Switching Relay with Priority. It combines clearly ..
$ 260.95
The SR501-4 from Taco is a Single zone Switching Relay. It's a standard equipment for every installe..
$ 65.95
The UPZC series of zone controls is the ideal choice for singleand multiple zone hydronic heating sy..
$ 198.95
The UPZC series of zone controls is the ideal choice for singleand multiple zone hydronic heating sy..
$ 240.95