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Hydronic Switching Relays

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Taco® SR501-4 1-Zone Switch Relay w/ Priority, 120 V, 7.2 A, DPDT Contact, 120 VAC V Coil
Taco®
Taco® SR501-4 1-Zone Switch Relay w/ Priority, 120 V, 7.2 A, DPDT Contact, 120 VAC V Coil
Part #427739
MFG #SR501-4
Taco® SR503-4 3-Zone Switch Relay w/ Priority, 120 V, 15 A, DPDT Contact, 120 VAC V Coil
Superseded
Taco®
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® SR503-EXP-4 SR Expandable Switching Relay, 120 VAC, 20 A, DPDT Contact, 120 VAC V Coil
Taco®
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 4-Zone Switch Relay w/ Priority, 120 V, 20 A, DPDT Contact, 24 V Coil
Superseded
Taco®
Taco® SR504-4 4-Zone Switch Relay w/ Priority, 120 V, 20 A, DPDT Contact, 24 V Coil
Part #427737
MFG #SR504-4
Taco® SR504-5 4-Zone Next Generation Switch Relay w/ Priority
Taco®
Taco® SR504-5 4-Zone Next Generation Switch Relay w/ Priority
Part #1273755
MFG #SR504-5
Taco® SR504-EXP-4 SR 4 Zone with Priority Switching Relay, 120 V, 20 A
Taco®
Taco® SR504-EXP-4 SR 4 Zone with Priority Switching Relay, 120 V, 20 A
Part #1214725
MFG #SR504-EXP-4
Taco® SR506-EXP-4 SR 6 Zone with Priority Switching Relay, 120 V, 20 A
Taco®
Taco® SR506-EXP-4 SR 6 Zone with Priority Switching Relay, 120 V, 20 A
Part #427740
MFG #SR506-EXP-4
Taco® SR501-4 1-Zone Switch Relay w/ Priority, 120 V, 7.2 A, DPDT Contact, 120 VAC V Coil
Taco®
Taco® SR501-4 1-Zone Switch Relay w/ Priority, 120 V, 7.2 A, DPDT Contact, 120 VAC V Coil
Part #427739
MFG #SR501-4
Taco® SR503-4 3-Zone Switch Relay w/ Priority, 120 V, 15 A, DPDT Contact, 120 VAC V Coil
Superseded
Taco®
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® SR503-EXP-4 SR Expandable Switching Relay, 120 VAC, 20 A, DPDT Contact, 120 VAC V Coil
Taco®
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 4-Zone Switch Relay w/ Priority, 120 V, 20 A, DPDT Contact, 24 V Coil
Superseded
Taco®
Taco® SR504-4 4-Zone Switch Relay w/ Priority, 120 V, 20 A, DPDT Contact, 24 V Coil
Part #427737
MFG #SR504-4
Taco® SR504-5 4-Zone Next Generation Switch Relay w/ Priority
Taco®
Taco® SR504-5 4-Zone Next Generation Switch Relay w/ Priority
Part #1273755
MFG #SR504-5
Taco® SR504-EXP-4 SR 4 Zone with Priority Switching Relay, 120 V, 20 A
Taco®
Taco® SR504-EXP-4 SR 4 Zone with Priority Switching Relay, 120 V, 20 A
Part #1214725
MFG #SR504-EXP-4
Taco® SR506-EXP-4 SR 6 Zone with Priority Switching Relay, 120 V, 20 A
Taco®
Taco® SR506-EXP-4 SR 6 Zone with Priority Switching Relay, 120 V, 20 A
Part #427740
MFG #SR506-EXP-4