Description
The Burnham 109639-01 is an OEM-engineered power supply harness designed exclusively for Burnham ES2 series boilers. Built to factory specifications, this wire harness delivers a secure, reliable electrical connection between the power supply and the boiler’s control system — keeping your hydronic heating system running safely and efficiently.
Product Overview
As a direct OEM replacement, the 109639-01 eliminates the uncertainty of aftermarket alternatives. Every dimension, connector, and conductor matches Burnham’s original design, ensuring a drop-in installation with no modifications required. Proper wiring integrity is essential in hydronic heating applications, and this harness is engineered to maintain it.
Key Features
- Genuine OEM replacement power supply harness for Burnham ES2 series boilers
- Manufactured to Burnham factory specifications for a precise fit and reliable performance
- Maintains secure electrical connectivity within the boiler control circuit
- Supports safe, efficient boiler operation
- Direct drop-in replacement — no modifications required
Compatibility
- Designed for use with Burnham ES2 series boilers
- Verify compatibility with your specific boiler model and serial number prior to ordering
Why Choose Genuine OEM Parts?
Installing genuine OEM components like the Burnham 109639-01 ensures your boiler operates within its designed parameters, helps protect your equipment warranty, and reduces the risk of premature component failure. For dependable hydronic heating system maintenance and repair, trust Burnham quality.







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