Switching Relays

37 products

Showing 1 - 37 of 37 products

Showing 1 - 37 of 37 products
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Caleffi ZSR106 Z-One 6-Zone Expandable Switching Relay for Circulator Pumps with Priority, 120VAC
Caleffi Caleffi ZSR106 Z-One 6-Zone Expandable Switching Relay for Circulator Pumps with Priority, 120VAC
$345.99
Special order · ships in 3–4 weeks
Caleffi ZSR103 Z-One 3-Zone Expandable Switching Relay for Circulator Pumps with Priority, 120VAC
Caleffi Caleffi ZSR103 Z-One 3-Zone Expandable Switching Relay for Circulator Pumps with Priority, 120VAC
$240.99
Special order · ships in 3–4 weeks
Caleffi ZSR104 Z-One 4-Zone Expandable Switching Relay for Circulator Pumps with Priority, 120VAC
Caleffi Caleffi ZSR104 Z-One 4-Zone Expandable Switching Relay for Circulator Pumps with Priority, 120VAC
$281.99
Special order · ships in 3–4 weeks
Caleffi ZVR103 Z-One 3-Zone Expandable Zone Valve Control with Priority, 120VAC Input, 24V 40VA
Caleffi Caleffi ZVR103 Z-One 3-Zone Expandable Zone Valve Control with Priority, 120VAC Input, 24V 40VA
$182.99
Special order · ships in 3–4 weeks
Caleffi ZVR106 Z-One 6-Zone Expandable Zone Valve Control with Priority, 120VAC Input, 24V 40VA
Caleffi Caleffi ZVR106 Z-One 6-Zone Expandable Zone Valve Control with Priority, 120VAC Input, 24V 40VA
$281.99
Special order · ships in 3–4 weeks
Caleffi ZVR104 Z-One 4-Zone Expandable Zone Valve Control with Priority, 120VAC Input, 24V 40VA
Caleffi Caleffi ZVR104 Z-One 4-Zone Expandable Zone Valve Control with Priority, 120VAC Input, 24V 40VA
$216.99
Special order · ships in 3–4 weeks
Caleffi North America ZSR101 Z-One 1-Zone Switching Relay for Pumps, Expandable, 120VAC 5 Amp Circuits
Caleffi Caleffi North America ZSR101 Z-One 1-Zone Switching Relay for Pumps, Expandable, 120VAC 5 Amp Circuits
$101.67
Only 1 unit left
Discontinued
Honeywell Home AQ25042B/U Aquatrol Hydronic Zone Control Panel with DHW Priority, 4 Zones
Honeywell Home Honeywell Home AQ25042B/U Aquatrol Hydronic Zone Control Panel with DHW Priority, 4 Zones
$432.04
Sold out
Discontinued
Honeywell Home AQ25542B/U Aquatrol Zoning Expansion Panel, Adds 4 Pump Zones
Honeywell Home Honeywell Home AQ25542B/U Aquatrol Zoning Expansion Panel, Adds 4 Pump Zones
$252.34
Sold out
Switching Relay with 24V Control Coils
Resideo Resideo RA89A1074/U Switching Relay with 24V Control Coils
$108.81
In stock, 15 units
6-Zone Switching Relay for Zone Valves
Viega Viega 18062 6-Zone Switching Relay for Zone Valves
$299.99
In stock, 7 units
4-Zone Switching Relay for Zone Valves
Viega Viega 18060 4-Zone Switching Relay for Zone Valves
$228.89
Only 5 units left
Tekmar Wiring Center - 313
tekmar Control Systems tekmar Control Systems Wiring Center - 313
$934.50
Sold out
Taco Comfort Solutions Zone Valve Control - 6 Zone w/PriorityTaco Comfort Solutions Zone Valve Control - 6 Zone w/Priority
Taco Comfort Solutions Taco Comfort Solutions ZVC406-5 Zone Valve Control - 6 Zone w/Priority
$370.12
In stock, 10 units
Taco Comfort Solutions Zone Valve Control - 5 Zone w/PriorityTaco Comfort Solutions Zone Valve Control - 5 Zone w/Priority
Taco Comfort Solutions Taco Comfort Solutions ZVC405-5 Zone Valve Control - 5 Zone w/Priority
$293.13
Only 2 units left
Zone Valve Control - 4 Zone w/PriorityTaco Comfort Solutions Zone Valve Control - 4 Zone w/Priority ZVC404-5
Taco Comfort Solutions Taco Comfort Solutions Zone Valve Control - 4 Zone w/Priority ZVC404-5
$239.28
In stock, 23 units
Zone Valve Control - 4 Zone w/PriorityTaco Comfort Solutions Zone Valve Control - 4 Zone w/Priority ZVC404-4
Taco Comfort Solutions Taco Comfort Solutions Zone Valve Control - 4 Zone w/Priority ZVC404-4
$207.49
Sold out
Zone Valve Control - 3 Zone w/PriorityTaco Comfort Solutions Zone Valve Control - 3 Zone w/Priority ZVC403-5
Taco Comfort Solutions Taco Comfort Solutions Zone Valve Control - 3 Zone w/Priority ZVC403-5
$233.43
In stock, 19 units
Zone Valve Control - 3 Zone w/PriorityTaco Comfort Solutions Zone Valve Control - 3 Zone w/Priority ZVC403-4
Taco Comfort Solutions Taco Comfort Solutions Zone Valve Control - 3 Zone w/Priority ZVC403-4
$179.19
Sold out
Switching Relay - 6 Zone w/Priority
Taco Comfort Solutions Taco Comfort Solutions SR506-5 Switching Relay - 6 Zone w/Priority
$459.93
In stock, 13 units
Switching Relay - 4 Zone w/Priority
Taco Comfort Solutions Taco Comfort Solutions SR504-5 Switching Relay - 4 Zone w/Priority
$379.00
In stock, 9 units
Switching Relay - 3 Zone w/Priority
Taco Comfort Solutions Taco Comfort Solutions Switching Relay - 3 Zone w/Priority SR503-5
$296.49
In stock, 14 units
Switching Relay - 3 Zone w/Priority
Taco Comfort Solutions Taco Comfort Solutions Switching Relay - 3 Zone w/Priority SR503-4
$268.95
Only 1 unit left
Switching Relay - 2 Zone w/Priority
Taco Comfort Solutions Taco Comfort Solutions SR502-5 Switching Relay - 2 Zone w/Priority
$287.70
In stock, 10 units
Switching Relay - 1 Zone
Taco Comfort Solutions Taco Comfort Solutions SR501-5 Switching Relay - 1 Zone
$143.12
In stock, 15 units
Six Zone Valve ControllerResideo Six Zone Valve Controller
Honeywell Home Honeywell Home HPZC106/U Six Zone Valve Controller
$269.20
Special order · ships in 3–4 weeks
Five Zone Valve ControllerResideo Five Zone Valve Controller
Honeywell Home Honeywell Home HPZC105/U Five Zone Valve Controller
$213.13
In stock, 6 units
Four Zone Valve ControllerResideo Four Zone Valve Controller
Honeywell Home Honeywell Home HPZC104/U Four Zone Valve Controller
$201.90
In stock, 7 units
Three Zone Valve ControllerResideo Three Zone Valve Controller
Honeywell Home Honeywell Home HPZC103/U Three Zone Valve Controller
$179.49
In stock, 7 units
Six Zone Switching Relay
Honeywell Home Honeywell Home HPSR106/U Six Zone Switching Relay
$392.60
In stock, 3 units
Four Zone Switching Relay
Honeywell Home Honeywell Home HPSR104/U Four Zone Switching Relay
$280.44
In stock, 5 units
Three Zone Switching Relay
Honeywell Home Honeywell Home HPSR103/U Three Zone Switching Relay
$224.33
In stock, 6 units
Single Zone Switching Relay
Honeywell Home Honeywell Home HPSR101/U Single Zone Switching Relay
$89.73
In stock, 3 units
Limited availability
Aquatrol Zoning Control, for 4 Zones of 4-wire valves with end switches (24 Vac), used for Hydronic Zoning Systems
Honeywell Home Honeywell Home AQ25744B/U Aquatrol Zoning Control, for 4 Zones of 4-wire Valves with End Switches (24 Vac), Used for Hydronic Zoning Systems
$345.60
Only 2 units left
Limited availability
Aquatrol Zoning Panel, for 4 Zone 2-wire valves (24 Vac), used for Hydronic Zoning Systems
Honeywell Home Honeywell Home AQ25742B/U Aquatrol Zoning Panel, for 4 Zone 2-wire Valves (24 Vac), Used for Hydronic Zoning Systems
$328.46
Only 2 units left
2-Zone Switching Relay for Pumps 10 Amp SmartZone+
Navien Navien PFMZ-02P-001 2-Zone Switching Relay for Pumps 10 Amp SmartZone+
$227.08
Only 2 units left
External Pump Connector
Navien Navien GXXX001319 External Pump Connector
$22.39
Only 5 units left

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