Get your Special Pricing!

Web Price:

$190.31

Availability: This product is currently available to purchase

This item ships FREE*

*Free shipping applies within the continental US and weighing less than 50 lbs. Shipping and Returns Terms

Ship to Estimates

Are you from Chicago?

Yes / No

This item ships to

Change

Cancel

*shipping cost are estimated until you complete your order

Speak With a Technical Expert

Hours: 9am - 5pm CDT M-F

Call (847) 773-0645 Email Technical Expert

SR503-4 | 3 Zone Switching Relay | Taco

Brand: TacoSKU: SR503-4

The photo is for representation purposes only and may not be a photo of product being purchased.

Search products similar to SR503-4

Jump to: Overview & Specifications Reviews

Overview Details for SR503-4

3 Zone Switching Relay

The Taco SR503-4 Switching Relay is the best choice for all your zoning needs, with advanced PowerPort Cards, external diagnostic lights, switchable priority and contractor friendly PC board layouts. Combined with the time proven reliability of the 00 family of circulators and thermostats, total system integrating is achieved. External indicator lights provide instant diagnostic feedback, making a snap of service calls or new installation start-ups.

24-Volt power input or output terminal
Fuse protected
Simplified wiring
Compact design