All Categories

Hydronic Switching Relay

Depth: 2-3/4"; Description: 3 Zone w/Priority and PowerPort Option; F/L Amps: 20.0; Height: 6-3/4"; Mfg. #: SR503-EXP-4; Width: 10-1/4";

Order # :
L46-425
Mfg. # :
SR503-EXP-4
Brand :
Taco
Catalog Page # :
473
Shipping Weight :
3.50
Country of Origin :
MEXICO
My Johnstone Supply Price:

AVAILABILITY

Store Status
Login above to see availability

Description:

  • Three Zone w/Priority and 3 Powerports Front External Indicator Lights Ideal for Retrofitting Primary Circulator Output Simplified Wiring Add-on Power Controls Sealed Relays Compact Design Fuse Protected 100% Factory Tested Isolated End Switch UL Approved Expandable to 20 Zoning Panels (120 zones if all are 6 zone panels) Contractor Friendly PC Board Layout Universal Thermostat Compatibility 24V Power Input or Output Terminal Extended 3 Year Warranty Made in the USA

Depth: 2-3/4"; Description: 3 Zone w/Priority and PowerPort Option; F/L Amps: 20.0; Height: 6-3/4"; Mfg. #: SR503-EXP-4; Width: 10-1/4";

Product Specifications

Depth2-3/4"
Height6-3/4"
F/L Amps20.0
Width10-1/4"
Description3 Zone w/Priority and PowerPort Option
Shipping Weight3.50
Shipping Width7.00
Shipping Length10.25
Shipping Height2.75

Compliance & Notes

Harmonize Code8537.10.9070

See catalog page 473 for additional notes and/or restrictions.

Warranty Information

WARRANTY - Johnstone Supply will administer and promptly process all warranties in accordance with the manufacturer's specific warranty policies and procedures.

WHOLESALE ONLY - Identification is required of purchasers. Possession of Johnstone's catalog does not constitute an offer to sell by Johnstone or the right to purchase from us.

RETURNS - All returns are subject to a restocking charge.

Brand Name:
Taco
See other: Taco - Miscellaneous
See all: Taco Products

Mfg. #: SR503-EXP-4