Hydronic Switching Relay With Built In 24V Transformer For Easy HVAC Control Handles Two Line Voltage Loads On A Common Power Source 2 Wire Setup Heavy Duty Pro Grade RA832A1066 Style Replacement Part

Single-Unit Hydronic Relay with Built-In 24V Transformer
✔️ 2-wire low-voltage control, integral 24V transformer, two loads

This hydronic switching relay is a compact control device designed to switch two line-voltage loads from a single 24V control circuit. It's a handy replacement part for hydronic heating systems, including boiler feeds, radiant floor panels, and HVAC zone controls, often used in RA832A1066 style installations.

✅ Integral transformer provides 24V power for control circuit
✅ Two-wire low-voltage control circuit for simple wiring
✅ Switches two line-voltage loads from a common power source
✅ Max ambient temp: 115°C (60 Hz); 105°C (50 Hz)

💡 What is a hydronic switching relay with a built-in 24V transformer used for in HVAC?

It’s handy for powering two line-voltage devices from a single 24V control circuit.

• Handy for boilers, circulators, and zone valves
• Two-wire 24V control keeps wiring simple
• Integral transformer reduces extra components

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