Thos. Somerville Co. | Taco® | Hydronic Switching Relays

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Hydronic Switching Relays

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: Stocked Items Only
: 15 A (1)
20 A (4)
7.2 A (1)
: 24 V (2)
120 VAC (4)
: DPDT (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)
: Domestic (4)
: 60 Hz (6)
: Screw Hole (6)
: 1/3 hp (6)
: SR (6)
: 240 deg F (6)
: 1 Zone with Priority (1)
3 Zone with Priority (1)
4 Zone with Priority (2)
6 Zone with Priority (1)
: 120 VAC (1)
120 V (5)

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Taco® SR501-4 SR 1 Zone with Priority Switching Relay, 120 V, 7.2 A, DPDT Contact, 120 VAC V Coil

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Taco® SR501-4 SR 1 Zone with Priority Switching Relay, 120 V, 7.2 A, DPDT Contact, 120 VAC V Coil

Part #427739

MFG #SR501-4

Taco® SR503-4 SR 3 Zone with Priority Switching Relay, 120 V, 15 A, DPDT Contact, 120 VAC V Coil

Superseded

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Taco® SR503-4 SR 3 Zone with Priority Switching Relay, 120 V, 15 A, DPDT Contact, 120 VAC V Coil

Part #427736

MFG #SR503-4

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

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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® SR504-4 SR 4 Zone with Priority Switching Relay, 120 V, 20 A, DPDT Contact, 24 V Coil

Superseded

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Taco® SR504-4 SR 4 Zone with Priority Switching Relay, 120 V, 20 A, DPDT Contact, 24 V Coil

Part #427737

MFG #SR504-4

Taco® SR504-5 4-Zone Control Switching Relay

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Taco® SR504-5 4-Zone Control Switching Relay

Part #1273755

MFG #SR504-5

Taco® SR504-EXP-4 SR 4 Zone with Priority Switching Relay, 120 V, 20 A, 24 V Coil

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Taco® SR504-EXP-4 SR 4 Zone with Priority Switching Relay, 120 V, 20 A, 24 V Coil

Part #1214725

MFG #SR504-EXP-4

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

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

Part #427740

MFG #SR506-EXP-4

Taco® SR501-4 SR 1 Zone with Priority Switching Relay, 120 V, 7.2 A, DPDT Contact, 120 VAC V Coil

Compare

Taco® SR501-4 SR 1 Zone with Priority Switching Relay, 120 V, 7.2 A, DPDT Contact, 120 VAC V Coil

Part #427739

MFG #SR501-4

Taco® SR503-4 SR 3 Zone with Priority Switching Relay, 120 V, 15 A, DPDT Contact, 120 VAC V Coil

Superseded

Compare

Taco® SR503-4 SR 3 Zone with Priority Switching Relay, 120 V, 15 A, DPDT Contact, 120 VAC V Coil

Part #427736

MFG #SR503-4

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

Compare

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® SR504-4 SR 4 Zone with Priority Switching Relay, 120 V, 20 A, DPDT Contact, 24 V Coil

Superseded

Compare

Taco® SR504-4 SR 4 Zone with Priority Switching Relay, 120 V, 20 A, DPDT Contact, 24 V Coil

Part #427737

MFG #SR504-4

Taco® SR504-5 4-Zone Control Switching Relay

Compare

Taco® SR504-5 4-Zone Control Switching Relay

Part #1273755

MFG #SR504-5

Taco® SR504-EXP-4 SR 4 Zone with Priority Switching Relay, 120 V, 20 A, 24 V Coil

Compare

Taco® SR504-EXP-4 SR 4 Zone with Priority Switching Relay, 120 V, 20 A, 24 V Coil

Part #1214725

MFG #SR504-EXP-4

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

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

Part #427740

MFG #SR506-EXP-4

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