Description
Weil McLain 383-500-195 Transformer Overview
The Weil McLain 383-500-195 is a step-down control transformer designed as a direct OEM replacement for Weil McLain boiler systems. It converts 120V primary voltage to a 24V secondary output, providing the low-voltage power required to operate boiler controls, zone valves, and other hydronic system components. Engineered to Weil McLain’s exacting standards, this transformer ensures consistent, stable voltage delivery for dependable system performance.
Key Features
- Primary voltage: 120V AC
- Secondary voltage: 24V AC
- Step-down design for low-voltage boiler control circuits
- Direct OEM replacement for compatible Weil McLain boiler models
- Engineered for reliable, long-term performance in hydronic heating applications
- Supports operation of zone valves, thermostats, and control boards
Application
This transformer is intended for use in Weil McLain residential and light commercial boiler systems where a 120V to 24V step-down transformer is required. It is the correct OEM replacement part to maintain system integrity and warranty compliance. Always verify compatibility with your specific boiler model before installation.
Installation Notes
- Intended for qualified HVAC/R technicians and licensed contractors
- Disconnect all power before servicing or replacing transformer
- Verify primary and secondary voltage ratings match system requirements
- Consult the Weil McLain boiler installation and service manual for wiring diagrams and torque specifications







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