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The SR501-4 from Taco is a Single zone Switching Relay. It's a standard equipment for every installe..
$60.00
The SR502-4 from Taco is a 2-Zone Switching Relay with Priority. It combines clearly labeled PC boar..
$142.00
The SR503-4 from Taco is a 3-Zone Switching Relay with Priority. It combines clearly labeled PC boar..
$150.00
The SR303-EXP-4 from Taco is a 3-Zone Expandable Switching Relay with Priority. It combines clearly ..
$158.00
The SR504-4 from Taco is a 4-Zone Switching Relay w/ Priority. It combines clearly labeled PC board ..
$182.00
The SR504-EXP-4 from Taco is a 4-Zone Expandable Switching Relay with Priority. It Combines cl..
$190.00
The SR506-4 from Taco is a 6-Zone Switching Relay with Priority. It combines clearly labeled PC boar..
$240.00
The SR506-EXP-4 from Taco is a 6-Zone Expandable Switching Relay with Priority. It combines clearly ..
$248.00
The SR501-845RP is a Universal Replacement Relay that connects a thermostat to the "T T" terminals o..
$0.00