SR503-EXP-4 Switching Relay, 3 Zone, Expandable – HVAC Equipment Supplies Dealer

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SR503-EXP-4 Switching Relay, 3 Zone, Expandable

Rating:

Amazon Price: $260.00 $196.95 You save: $63.05 (24%) (as of November 12, 2025 4:40 am – Details). Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on the Amazon site at the time of purchase will apply to the purchase of this product.

Brand: Taco
Manufacturer: Taco

Features

Three zone with priority and 3 powerpoints
External Indicator Lights
Switchable Priority
Simplified Wiring
Fully Enclosed Snap-Out Relays

Manufacturer Info

PartNumber: SR503-EXP-4
Model: SR503-EXP-4

Product Info

NumberOfItems: 1

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