Sr503 4. Taco SR5034 Three Zone Switching Relay 24hr Supply Pickup window: 9:00am to 4:00pm, Monday through Friday Location: 5811 Foster Ave. Taco 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
Taco SR5034 3 Zone Switching Relay Control PCB NEW eBay from www.ebay.com
+ Taco 007-F5 Cast Iron Circulator, 1/25 HP Pump with Universal Pump Flange Gaskets and Wire Gland, Green So you would need a three- wire thermostat wire (one to power your thermostat) which you can get 24v off of this Taco Switching Relay as well
Taco SR5034 3 Zone Switching Relay Control PCB NEW eBay
This has two wire input from thermostat that relays to your corresponding circulator SR-503-4 : Item Weight 4 pounds : Product Dimensions 10.25 x 2.75 x 6.75 inches : Item model number SR503-4 : Is Discontinued By Manufacturer No : Size Standard : Color White : Style Modern : Item Package Quantity 1 : Measurement System Imperial : Special Features + Taco 007-F5 Cast Iron Circulator, 1/25 HP Pump with Universal Pump Flange Gaskets and Wire Gland, Green.
SR5034 3Zone Switch Relay with Priority First Supply. This has two wire input from thermostat that relays to your corresponding circulator External indicator lights provide instant diagnostic feedback, making a snap of service calls or new installation start-ups.
Taco 3Zone Switching Relay With Priority SR5034. Taco SR503 Switching Relay combines clearly labeled PC board layout with advanced features that allow for total system customization SR-503-4 : Item Weight 4 pounds : Product Dimensions 10.25 x 2.75 x 6.75 inches : Item model number SR503-4 : Is Discontinued By Manufacturer No : Size Standard : Color White : Style Modern : Item Package Quantity 1 : Measurement System Imperial : Special Features