Welcome:  Sign In | Contact Us
Call Us: (877)-412-5296

Taco Zone Switching Relay - Three Zones

Taco Zone Switching Relay - Three Zones
Our Price
Compare Prices
Shipping Info
Model: SR503-4
$128.95
In-Stock
Ships Wednesday, Oct 17th
 
In-Stock
Ships Wednesday, Oct 17th
Shipping Info
Shipping Info
Expedited Shipping
Expedited Shipping
*We currently CANNOT ship this product to California or any destination outside of the United States
Share
  • Product Description
  • Reviews
  • 1
    Product Q&A
  • How-To Articles
  • Manuals
Product Description
+
Features
Features
    Taco's SR503-4 is a three zone pump switching relay. With universal thermostat compatibility, it is designed to integrate quickly and effortlessly into any hydronic system, bringing Taco reliability to your zoned operations. The SR503-4's enclosure is unobtrusive and easy to mount in tight spaces, and the PC board was designed for quick maintenance and clean, simple wiring.
  • Simple Servicing
  • Easy-to-interpret external diagnostic lights and "ice cube" style replaceable relays mean that servicing a Taco switching relay is always easy.
  • Protected Priority Switching
  • With the SR503-4, a single zone may be designated as a priority zone whose heating demands are given precedence over other zones. Other demands will be met when the priority zone is satisfied or after sixty minutes of priority operation.
Specifications
General Information
Number of Zones A zone is a room or area within a building that has its own temperature control.
3
UPC
687752857566
Electrical Data
Voltage
120 Volts
Phase
1
Frequency
60 Hz
Maximum Load
15 Amps
Dimensions
Product Height
7 Inches
Product Width
10.75 Inches
Product Depth
2.75 Inches
Shipping Weight
4 Pounds
Certifications
UL Listed
Yes
Warranty Information
Warranty A warranty is a safeguard from defects in manufacturing and can vary in length and terms. To see the manufacturer's warranty statement, click on the Manuals tab. Learn More
3 Years
Features
Features
    Taco's SR503-4 is a three zone pump switching relay. With universal thermostat compatibility, it is designed to integrate quickly and effortlessly into any hydronic system, bringing Taco reliability to your zoned operations. The SR503-4's enclosure is unobtrusive and easy to mount in tight spaces, and the PC board was designed for quick maintenance and clean, simple wiring.
  • Simple Servicing
  • Easy-to-interpret external diagnostic lights and "ice cube" style replaceable relays mean that servicing a Taco switching relay is always easy.
  • Protected Priority Switching
  • With the SR503-4, a single zone may be designated as a priority zone whose heating demands are given precedence over other zones. Other demands will be met when the priority zone is satisfied or after sixty minutes of priority operation.
Specifications
General Information
Number of Zones A zone is a room or area within a building that has its own temperature control.
3
UPC
687752857566
Electrical Data
Voltage
120 Volts
Phase
1
Frequency
60 Hz
Maximum Load
15 Amps
Dimensions
Product Height
7 Inches
Product Width
10.75 Inches
Product Depth
2.75 Inches
Shipping Weight
4 Pounds
Certifications
UL Listed
Yes
Warranty Information
Warranty A warranty is a safeguard from defects in manufacturing and can vary in length and terms. To see the manufacturer's warranty statement, click on the Manuals tab. Learn More
3 Years
Product Specs
+
Specifications
General Information
Number of Zones A zone is a room or area within a building that has its own temperature control.
3
UPC
687752857566
Electrical Data
Voltage
120 Volts
Phase
1
Frequency
60 Hz
Maximum Load
15 Amps
Dimensions
Product Height
7 Inches
Product Width
10.75 Inches
Product Depth
2.75 Inches
Shipping Weight
4 Pounds
Certifications
UL Listed
Yes
Warranty Information
Warranty A warranty is a safeguard from defects in manufacturing and can vary in length and terms. To see the manufacturer's warranty statement, click on the Manuals tab. Learn More
3 Years
Reviews
+
Be the First to Write a Review
Do you own this product?
Please share your insights with fellow shoppers.
Product Q&A
(1)
+
Search Product Q&A's Answered by Chris, the eComfort Product Expert
icon-social-fb1
+
Have a Lochinvar boiler with a DHS tank and one circulator pump feeding an air handler. Need to add another line with a 2nd circ pump. Will this SR504 work? That will give me 4 pumps then, the hot water, boiler, and the two circs. If this one won't work what would you suggest.
Robert 
from Alaska 
October 07, 2015
Answer
The Taco SR series relays can support from 2 to 6 zones, depending on the specific model. The SR504-4 can absolutely be used to control your 3-zone circulators, but you will need to use the circulator relay on your boiler, or a separate circulator relay for your boiler pump depending on when you need it to operate.
How-To Articles
+
Manuals
+
 
 
×
Taco Zone Switching Relay - Three Zones
Taco SR503-4
+
Reset View
×
Customer Review Images

Visit eComfort on Facebook
View the eComfort Twitter Profile Page
Follow eComfort on Pinterest
View eComfort YouTube Channel
View eComfort LinkedIn Company Profile