Thos. Somerville Co. | Hydronic Switching Relays

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Hydronic Switching Relays

17 items

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: Stocked Items Only
: Resideo (4)
Taco® (7)
Uponor (2)
Weil-McLain® (4)
: 24 VAC (4)
24 V (2)
120 VAC (4)
: 6-5/8 in H x 4-7/8 in W x 2-3/8 in D (1)
7 in H x 10-1/4 in W x 2-3/4 in D (3)
8 in H x 12-1/4 in W x 3 in D (1)
: Import (2)
Domestic (6)
: 60 Hz (7)
50/60 Hz (3)
: Screw Hole (6)
Surface (1)
: 1 Zone with Priority (1)
3 Zone with Priority (1)
4 Zone with Priority (2)
6 Zone with Priority (1)
: 120 VAC (7)
120 V (5)

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Weil-McLain® 570-350-232 120VAC 90-372S1 Minimum Air Flow Switch Relay, SPDT, 120 Volt

Weil-McLain® 570-350-232 120VAC 90-372S1 Minimum Air Flow Switch Relay, SPDT, 120 Volt

Part #1787639

MFG #570350232

Weil-McLain® 384-000-291 Blower Relay KIT-S 15A 120VAC

Weil-McLain® 384-000-291 Blower Relay KIT-S 15A 120VAC

Part #1777739

MFG #384000291

Uponor A3010100 Single-Zone Pump Relay, 120 VAC, 7.2 A

Uponor A3010100 Single-Zone Pump Relay, 120 VAC, 7.2 A

Part #014657

MFG #A3010100

U/M

Resideo RA89A1074/U Switching Relay, 120 VAC, SPST, 24 VAC Coil

Resideo RA89A1074/U Switching Relay, 120 VAC, SPST, 24 VAC Coil

Part #425052

MFG #RA89A1074/U

U/M

Taco® SR503-4 3-Zone Switch Relay w/ Priority, 120 V, 15 A, DPDT Contact, 120 VAC V Coil

Superseded

Taco® SR503-4 3-Zone Switch Relay w/ Priority, 120 V, 15 A, DPDT Contact, 120 VAC V Coil

Part #427736

MFG #SR503-4

Taco® SR506-EXP-4 SR 6 Zone with Priority Switching Relay, 120 V, 20 A

Taco® SR506-EXP-4 SR 6 Zone with Priority Switching Relay, 120 V, 20 A

Part #427740

MFG #SR506-EXP-4

Taco® SR503-EXP-4 SR Expandable Switching Relay, 120 VAC, 20 A, DPDT Contact, 120 VAC V Coil

Taco® SR503-EXP-4 SR Expandable Switching Relay, 120 VAC, 20 A, DPDT Contact, 120 VAC V Coil

Part #555227

MFG #SR503-EXP-4

Taco® SR504-EXP-4 SR 4 Zone with Priority Switching Relay, 120 V, 20 A

Taco® SR504-EXP-4 SR 4 Zone with Priority Switching Relay, 120 V, 20 A

Part #1214725

MFG #SR504-EXP-4

Weil-McLain® 570-350-231 10A 120VAC Blower Relay without Socket

Superseded

Weil-McLain® 570-350-231 10A 120VAC Blower Relay without Socket

Part #1787621

MFG #570350231

Weil-McLain® 383-600-309 Slimfit Time Delay Relay Kit

Weil-McLain® 383-600-309 Slimfit Time Delay Relay Kit

Part #1774090

MFG #383600309

Weil-McLain® 570-350-232 120VAC 90-372S1 Minimum Air Flow Switch Relay, SPDT, 120 Volt

Weil-McLain® 570-350-232 120VAC 90-372S1 Minimum Air Flow Switch Relay, SPDT, 120 Volt

Part #1787639

MFG #570350232

Weil-McLain® 384-000-291 Blower Relay KIT-S 15A 120VAC

Weil-McLain® 384-000-291 Blower Relay KIT-S 15A 120VAC

Part #1777739

MFG #384000291

Uponor A3010100 Single-Zone Pump Relay, 120 VAC, 7.2 A

Uponor A3010100 Single-Zone Pump Relay, 120 VAC, 7.2 A

Part #014657

MFG #A3010100

U/M

Resideo RA89A1074/U Switching Relay, 120 VAC, SPST, 24 VAC Coil

Resideo RA89A1074/U Switching Relay, 120 VAC, SPST, 24 VAC Coil

Part #425052

MFG #RA89A1074/U

U/M

Taco® SR503-4 3-Zone Switch Relay w/ Priority, 120 V, 15 A, DPDT Contact, 120 VAC V Coil

Superseded

Taco® SR503-4 3-Zone Switch Relay w/ Priority, 120 V, 15 A, DPDT Contact, 120 VAC V Coil

Part #427736

MFG #SR503-4

Taco® SR506-EXP-4 SR 6 Zone with Priority Switching Relay, 120 V, 20 A

Taco® SR506-EXP-4 SR 6 Zone with Priority Switching Relay, 120 V, 20 A

Part #427740

MFG #SR506-EXP-4

Taco® SR503-EXP-4 SR Expandable Switching Relay, 120 VAC, 20 A, DPDT Contact, 120 VAC V Coil

Taco® SR503-EXP-4 SR Expandable Switching Relay, 120 VAC, 20 A, DPDT Contact, 120 VAC V Coil

Part #555227

MFG #SR503-EXP-4

Taco® SR504-EXP-4 SR 4 Zone with Priority Switching Relay, 120 V, 20 A

Taco® SR504-EXP-4 SR 4 Zone with Priority Switching Relay, 120 V, 20 A

Part #1214725

MFG #SR504-EXP-4

Weil-McLain® 570-350-231 10A 120VAC Blower Relay without Socket

Superseded

Weil-McLain® 570-350-231 10A 120VAC Blower Relay without Socket

Part #1787621

MFG #570350231

Weil-McLain® 383-600-309 Slimfit Time Delay Relay Kit

Weil-McLain® 383-600-309 Slimfit Time Delay Relay Kit

Part #1774090

MFG #383600309

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