Description
Weil McLain 511-802-011 Transformer Overview
The Weil McLain 511-802-011 is an OEM replacement transformer engineered to deliver dependable low-voltage power to boiler controls and hydronic heating system components. With a 50VA capacity and a step-down ratio from 120V primary to 24V secondary, this transformer is designed to meet the precise electrical demands of Weil McLain boiler applications.
Key Specifications
- Part Number: 511-802-011
- VA Rating: 50VA
- Primary Voltage: 120V
- Secondary Voltage: 24V
- Frequency: 50/60 Hz
- OEM Weil McLain replacement part
Features & Benefits
- Provides stable 24V output for boiler controls and thermostats
- Compatible with 50 Hz and 60 Hz electrical systems for broad application flexibility
- OEM-grade construction ensures proper fit and reliable long-term performance
- Designed as a direct replacement for Weil McLain hydronic heating systems
- 50VA capacity supports typical boiler control circuit loads
Application
The 511-802-011 transformer is intended for use in Weil McLain boiler systems requiring a 120V to 24V step-down transformer. It powers the low-voltage control circuits that operate thermostats, zone valves, and other boiler control components. Always verify compatibility with your specific Weil McLain boiler model before installation.







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