LOG IN FOR PRICING

BACK LOG IN REGISTER

PLUMBING
FITTINGS
VALVES
PIPE & TUBING
HVAC
LANDSCAPE
HYDRONICS/SOLAR
INDUSTRIAL
KITCHEN & BATH
TOOLS

CATEGORIES

Categories

PLUMBING
FITTINGS
VALVES
PIPE & TUBING
HVAC
LANDSCAPE
HYDRONICS/SOLAR
INDUSTRIAL
KITCHEN & BATH
TOOLS
FLEET

Pump Controls

FILTERS Clear All

Voltage Rating

All

120 VAC

Amperage Rating

All

12:00 AM

20 A

Frequency Rating

All

60 Hz

Enclosure Type

All

NEMA 1

Overall Length

All

2-3/4 in

2-3/8 in

3 in

Overall Width

All

10-1/4 in

12-1/4 in

4-7/8 in

Overall Height

All

6-5/8 in

7 in

8 in

Suitable For Use With

All

2, 3 and 4-Wire Zone Valves

Additional Information

All

1-Zone

4-Zone with Priority

PKZ1900082

Taco Comfort Solutions® SR501 Enhanced Switching Relay, 120 VAC, 12 A

PKZ1900085

Taco Comfort Solutions® SR502-4 Switching Relay, 120 VAC

PKZ1900095

Taco Comfort Solutions® SR504 Enhanced Switching Relay, 120 VAC, 20 A

PKZ1900100

Taco Comfort Solutions® SR506-4 Switching Relay, 120 VAC

Categories

Plumbing
Fittings
Valves
Pipe & Tubing
HVAC
Landscape
Hydronics/Solar
Industrial
Kitchen & Bath
Tools
Fleet

My Account

Log in
Register

Legal Documents

Copyright Policy
Privacy Policy
Terms of Use
Notice at Collection for CA Residents
Privacy Policy for CA Residents

Connect

Copyright © 2026 Western Nevada Supply