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TACO Zone Switching Relay: Switching, 2 Zones, 120V AC Primary - Zone-Switching Relays
TACOZone-Switching Relays

TACO Zone Switching Relay: Switching, 2 Zones, 120V AC Primary

The TACO SR502-5 is a 2-zone switching relay designed for HVAC zone control, operating with a 120V AC primary and 24V AC secondary. It supports a full-load amperage (FLA) rating of 6 A at 120V AC. This zone-switching…

SKU 3G-OTH-67191

Brand
TACO
Item
Zone Switching Relay: Switching, 2 Zones, 120V AC Primary
Category
Zone-Switching Relays
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Technical Specifications

TACO
Manufacturer Part Number
SR502-5
Number of Zones
2
Current Ratings @ Voltages
FLA: 6 A @ 120V AC
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TACO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The TACO SR502-5 is a 2-zone switching relay designed for HVAC zone control, operating with a 120V AC primary and 24V AC secondary. It supports a full-load amperage (FLA) rating of 6 A at 120V AC. This zone-switching relay provides straightforward on/off switching for two zones.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the TACO SR502-5 zone switching relay used for?

The TACO SR502-5 is used for HVAC zone control, providing on/off switching for two heating or cooling zones. It is commonly installed in residential and light commercial systems to manage zone valves or circulator pumps, ensuring independent temperature control in different areas of a building.

What are the specifications of the TACO SR502-5?

The TACO SR502-5 is a 2-zone switching relay with a 120V AC primary and 24V AC secondary. It has a full-load amperage (FLA) rating of 6 A at 120V AC. The manufacturer part number is SR502-5, and it is designed for straightforward on/off switching for two zones.

Where to buy the TACO SR502-5 worldwide?

You can source the TACO SR502-5 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we provide reliable sourcing for this zone switching relay.

How to install the TACO SR502-5 zone switching relay?

Install the TACO SR502-5 by mounting it securely and connecting the 120V AC primary power and 24V AC secondary control wiring per the wiring diagram. Ensure all connections match the zone valve or circulator specifications. Follow standard HVAC safety practices, including disconnecting power before installation.

Used in

Common applications for TACO
Hydronic heating systems — TACO 007 series circulator pumps for residential boiler water circulation.
Commercial HVAC — TACO 2400-60-3P inline pump for chilled water loops in large buildings.
Industrial process cooling — TACO 1630EAE10132096 pump for high-flow (110 gpm) cooling applications.
Zone control in radiant floor heating — TACO V075T2G2ZA024Q4A2 zone valve for regulating flow to individual zones.
Pump replacement and maintenance — TACO 007-045RP cartridge assembly for servicing existing 007 series pumps.
Piping connections in hydronic systems — TACO 110-251F-1 flange for joining pumps to pipework.

TACO Products

3G Electric supplies TACO zone-switching relays. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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