Hydronic Circulator Switching Relay

Circulator Pump Relay. Pump Zone Controls in Hydronic and Radiant Heat Applications. Taco, Azel and Heat Timer pump relays used for many types of hydronic heating systems when you want to control on and off function of pumps. Only the Heat Timer 926577-00 will also work with zone valves - Taco and Azel Pump Controllers only work with pumps.

Taco Switching Relay

Taco Circulator Switching Relay. Used to turn on and off pump used for many types of hydronic heating systems when you use pumps and not zone valves.
Azel Pump Switching Relay

Azel Circulator Switching Relay. Used to turn on and off pump used for many types of hydronic heating systems when you use pumps and not zone valves.
Heat Timer Zone Controller

Heat Timer Five-Zone Control can be configured to operate either Zone Pumps or Zone Valves with End Switches
Caleffi Hydronic Pump Realys

Caleffi Circulator Switching Relay to turn on and off pump used for many types of hydronic heating systems when you use pumps
Taco Circulator Relays EXP Series

Taco Circulator Switching Relay. With Priority and 3 Power Ports. Used to turn on and off pump used for many types of hydronic heating systems