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Hydronic Switching Relays

Learn More

(32 items)

Hydronic Switching Relays

(32 items)

Learn More

(32 items)
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Taco® SR502-4 SR 2 Zone with Priority Switching Relay, 120 V, 15 A, DPDT Contact, 120 VAC V Coil, Domestic
Taco Comfort Solutions
Taco® SR502-4 SR 2 Zone with Priority Switching Relay, 120 V, 15 A, DPDT Contact, 120 VAC V Coil, Domestic
MFG Part# SR502-4
DSG#60835
UPC#687752857559
Taco® SR503-4 SR 3 Zone with Priority Switching Relay, 120 V, 15 A, DPDT Contact, 120 VAC V Coil, Domestic
Taco Comfort Solutions
Taco® SR503-4 SR 3 Zone with Priority Switching Relay, 120 V, 15 A, DPDT Contact, 120 VAC V Coil, Domestic
MFG Part# SR503-4
DSG#60840
UPC#687752857566
Taco® SR501-4 SR 1 Zone with Priority Switching Relay, 120 V, 7.2 A, DPDT Contact, 120 VAC V Coil, Domestic
Taco Comfort Solutions
Taco® SR501-4 SR 1 Zone with Priority Switching Relay, 120 V, 7.2 A, DPDT Contact, 120 VAC V Coil, Domestic
MFG Part# SR501-4
DSG#60824
UPC#687752857573
Taco® SR504-4 SR 4 Zone with Priority Switching Relay, 120 V, 20 A, DPDT Contact, 24 V Coil, Domestic
Taco Comfort Solutions
Taco® SR504-4 SR 4 Zone with Priority Switching Relay, 120 V, 20 A, DPDT Contact, 24 V Coil, Domestic
MFG Part# SR504-4
DSG#60850
UPC#687752857603
Caleffi Z-one™ ZVR106 6 Zone Valve Relay, 24 VAC
Caleffi
Caleffi Z-one™ ZVR106 6 Zone Valve Relay, 24 VAC
MFG Part# ZVR106
DSG#63622
UPC#016615438161
Taco® SR506-EXP-1 Six Zone Expandable Switching Relay, 120 VAC, 20 A, DPDT, Domestic
Taco Comfort Solutions
Taco® SR506-EXP-1 Six Zone Expandable Switching Relay, 120 VAC, 20 A, DPDT, Domestic
MFG Part# SR506-EXP-1
DSG#22128
Taco® SR504-EXP-4 SR 4 Zone with Priority Switching Relay, 120 V, 20 A, 24 V Coil
Taco Comfort Solutions
Taco® SR504-EXP-4 SR 4 Zone with Priority Switching Relay, 120 V, 20 A, 24 V Coil
MFG Part# SR504-EXP-4
DSG#60878
UPC#687752857610
Taco® SR503-EXP-4 SR Expandable Switching Relay, 120 VAC, 20 A, DPDT Contact, 120 VAC V Coil, Domestic
Taco Comfort Solutions
Taco® SR503-EXP-4 SR Expandable Switching Relay, 120 VAC, 20 A, DPDT Contact, 120 VAC V Coil, Domestic
MFG Part# SR503-EXP-4
DSG#60871
UPC#687752857597
Taco® SR506-4 SR 6 Zone with Priority Switching Relay, 120 V, 20 A, DPDT Contact, 120 VAC V Coil, Domestic
Taco Comfort Solutions
Taco® SR506-4 SR 6 Zone with Priority Switching Relay, 120 V, 20 A, DPDT Contact, 120 VAC V Coil, Domestic
MFG Part# SR506-4
DSG#60859
UPC#687752857627
Caleffi Z-one™ ZSR104 4 Zone Pump Relay, 24 VAC
Caleffi
Caleffi Z-one™ ZSR104 4 Zone Pump Relay, 24 VAC
MFG Part# ZSR104
DSG#63606
UPC#016615438123
Resideo RA832A1066/U Switching Relay, 120 VAC, DPST, 24 VAC Coil, Import
Resideo Technologies
Resideo RA832A1066/U Switching Relay, 120 VAC, DPST, 24 VAC Coil, Import
MFG Part# RA832A1066
DSG#30274
UPC#085267990066
THLEC THB1702115 THERMOLEC 17-02-115 SOLID STATE RELAY SSR-50-DC(MFG#CTC150
Thermolec
THLEC THB1702115 THERMOLEC 17-02-115 SOLID STATE RELAY SSR-50-DC(MFG#CTC150
MFG Part# THB1702115
DSG#58756
Tekmar® 304P Switching Relay, 115 VAC, 20 A, Import
Tekmar
Tekmar® 304P Switching Relay, 115 VAC, 20 A, Import
MFG Part# TK304P
DSG#16670
UPC#779655030402
Caleffi Z-one™ ZSR101 Single Zone Pump Relay, 24 VAC
Caleffi
Caleffi Z-one™ ZSR101 Single Zone Pump Relay, 24 VAC
MFG Part# ZSR101
DSG#63858
UPC#016615438109
Taco® SR506-EXP-4 SR 6 Zone with Priority Switching Relay, 120 V, 20 A, 120 VAC V Coil
Taco Comfort Solutions
Taco® SR506-EXP-4 SR 6 Zone with Priority Switching Relay, 120 V, 20 A, 120 VAC V Coil
MFG Part# SR506-EXP-4
DSG#60886
UPC#68775285763
Tekmar® 306P Switching Relay, 115 VAC, 20 A, Import
Tekmar
Tekmar® 306P Switching Relay, 115 VAC, 20 A, Import
MFG Part# TK306P
DSG#16680
UPC#779655030600
Taco® SR502-4 SR 2 Zone with Priority Switching Relay, 120 V, 15 A, DPDT Contact, 120 VAC V Coil, Domestic
Taco Comfort Solutions
Taco® SR502-4 SR 2 Zone with Priority Switching Relay, 120 V, 15 A, DPDT Contact, 120 VAC V Coil, Domestic
MFG Part# SR502-4
DSG#60835
UPC#687752857559
Taco® SR503-4 SR 3 Zone with Priority Switching Relay, 120 V, 15 A, DPDT Contact, 120 VAC V Coil, Domestic
Taco Comfort Solutions
Taco® SR503-4 SR 3 Zone with Priority Switching Relay, 120 V, 15 A, DPDT Contact, 120 VAC V Coil, Domestic
MFG Part# SR503-4
DSG#60840
UPC#687752857566
Taco® SR501-4 SR 1 Zone with Priority Switching Relay, 120 V, 7.2 A, DPDT Contact, 120 VAC V Coil, Domestic
Taco Comfort Solutions
Taco® SR501-4 SR 1 Zone with Priority Switching Relay, 120 V, 7.2 A, DPDT Contact, 120 VAC V Coil, Domestic
MFG Part# SR501-4
DSG#60824
UPC#687752857573
Taco® SR504-4 SR 4 Zone with Priority Switching Relay, 120 V, 20 A, DPDT Contact, 24 V Coil, Domestic
Taco Comfort Solutions
Taco® SR504-4 SR 4 Zone with Priority Switching Relay, 120 V, 20 A, DPDT Contact, 24 V Coil, Domestic
MFG Part# SR504-4
DSG#60850
UPC#687752857603
Caleffi Z-one™ ZVR106 6 Zone Valve Relay, 24 VAC
Caleffi
Caleffi Z-one™ ZVR106 6 Zone Valve Relay, 24 VAC
MFG Part# ZVR106
DSG#63622
UPC#016615438161
Taco® SR506-EXP-1 Six Zone Expandable Switching Relay, 120 VAC, 20 A, DPDT, Domestic
Taco Comfort Solutions
Taco® SR506-EXP-1 Six Zone Expandable Switching Relay, 120 VAC, 20 A, DPDT, Domestic
MFG Part# SR506-EXP-1
DSG#22128
Taco® SR504-EXP-4 SR 4 Zone with Priority Switching Relay, 120 V, 20 A, 24 V Coil
Taco Comfort Solutions
Taco® SR504-EXP-4 SR 4 Zone with Priority Switching Relay, 120 V, 20 A, 24 V Coil
MFG Part# SR504-EXP-4
DSG#60878
UPC#687752857610
Taco® SR503-EXP-4 SR Expandable Switching Relay, 120 VAC, 20 A, DPDT Contact, 120 VAC V Coil, Domestic
Taco Comfort Solutions
Taco® SR503-EXP-4 SR Expandable Switching Relay, 120 VAC, 20 A, DPDT Contact, 120 VAC V Coil, Domestic
MFG Part# SR503-EXP-4
DSG#60871
UPC#687752857597
Taco® SR506-4 SR 6 Zone with Priority Switching Relay, 120 V, 20 A, DPDT Contact, 120 VAC V Coil, Domestic
Taco Comfort Solutions
Taco® SR506-4 SR 6 Zone with Priority Switching Relay, 120 V, 20 A, DPDT Contact, 120 VAC V Coil, Domestic
MFG Part# SR506-4
DSG#60859
UPC#687752857627
Caleffi Z-one™ ZSR104 4 Zone Pump Relay, 24 VAC
Caleffi
Caleffi Z-one™ ZSR104 4 Zone Pump Relay, 24 VAC
MFG Part# ZSR104
DSG#63606
UPC#016615438123
Resideo RA832A1066/U Switching Relay, 120 VAC, DPST, 24 VAC Coil, Import
Resideo Technologies
Resideo RA832A1066/U Switching Relay, 120 VAC, DPST, 24 VAC Coil, Import
MFG Part# RA832A1066
DSG#30274
UPC#085267990066
THLEC THB1702115 THERMOLEC 17-02-115 SOLID STATE RELAY SSR-50-DC(MFG#CTC150
Thermolec
THLEC THB1702115 THERMOLEC 17-02-115 SOLID STATE RELAY SSR-50-DC(MFG#CTC150
MFG Part# THB1702115
DSG#58756
Tekmar® 304P Switching Relay, 115 VAC, 20 A, Import
Tekmar
Tekmar® 304P Switching Relay, 115 VAC, 20 A, Import
MFG Part# TK304P
DSG#16670
UPC#779655030402
Caleffi Z-one™ ZSR101 Single Zone Pump Relay, 24 VAC
Caleffi
Caleffi Z-one™ ZSR101 Single Zone Pump Relay, 24 VAC
MFG Part# ZSR101
DSG#63858
UPC#016615438109
Taco® SR506-EXP-4 SR 6 Zone with Priority Switching Relay, 120 V, 20 A, 120 VAC V Coil
Taco Comfort Solutions
Taco® SR506-EXP-4 SR 6 Zone with Priority Switching Relay, 120 V, 20 A, 120 VAC V Coil
MFG Part# SR506-EXP-4
DSG#60886
UPC#68775285763
Tekmar® 306P Switching Relay, 115 VAC, 20 A, Import
Tekmar
Tekmar® 306P Switching Relay, 115 VAC, 20 A, Import
MFG Part# TK306P
DSG#16680
UPC#779655030600