Weil-McLain 510312166 Transformer, AHE Boilers, CG Boilers, CGx Boilers, EG Boilers, EGH Boilers, HE Boilers, PFG Boilers, VHE Boilers

Reliable Performance – Weil-McLain Transformer-Relay Combination Receptacle

The Weil-McLain Transformer-Relay Combination Receptacle is engineered for dependable control and power delivery in hot water and steam boiler applications. Built with contractor-grade durability, this component integrates a transformer and relay in a single housing to streamline installation and ensure reliable operation under demanding conditions.

Why This Component Matters

Heating systems rely on precise electrical control to maintain safety and performance. This transformer-relay receptacle provides stable 24V control power from a 120V supply and is designed to support a wide range of Weil-McLain boilers, including PFG models. Its compatibility with trusted control brands makes it a reliable choice for service and replacement work.

• Power Rating: 40 VA transformer capacity, 120V primary to 24V secondary.
• Application: Suitable for water or steam boilers with or without tankless heater connections.
• System Compatibility: Designed for use across PFG series and other Weil-McLain boiler families.
• Control Integration: Functions with Honeywell R8285K1004 and White-Rodgers S84A-85 among others.
• Durable Construction: Built with heavy-duty components for longevity in heating environments.

Technical Specifications

• Primary Voltage: 120 VAC
• Secondary Voltage: 24 VAC
• VA Rating: 40 VA
• Relay Type: Integrated control relay with receptacle connection
• Compatibility: Weil-McLain PFG series, Honeywell and White-Rodgers control systems

Installation Notes

Installation of this component should be performed by a licensed HVAC or plumbing professional. Proper wiring and secure connections are critical for safety and performance. The compact design allows straightforward integration, but field wiring must meet code requirements and manufacturer specifications.

Professional Applications

For Contractors: This transformer-relay combination is built to simplify service and reduce installation time. Its compatibility across multiple boiler systems makes it an efficient solution to keep in stock for field replacements.

For Facility Maintenance Teams: The heavy-duty transformer and relay design ensures consistent performance in high-demand heating environments, reducing downtime and ensuring compliance with system safety standards.

Key Advantages

• Integrated Transformer and Relay: Reduces component count and simplifies wiring.
• Proven Reliability: Tested and approved for use with Weil-McLain boilers.
• Standardized Compatibility: Works with industry-standard control systems.
• Contractor-Grade Design: Engineered for long-term reliability under daily operating loads.

The Weil-McLain Transformer-Relay Combination Receptacle delivers dependable performance, safe operation, and easy integration for professional heating system installations and service work.