Description
HTP 7855P-311 Main Control Board for UFT-140W
The HTP 7855P-311 is the OEM main control board designed specifically for the UFT-140W Ultra-Fire Tube condensing water heater. As the central processing hub of the appliance, this board coordinates all critical system functions — from ignition sequencing and burner modulation to safety monitoring and fault diagnostics — ensuring reliable, efficient operation.
Key Features
- OEM replacement main control board engineered for the HTP UFT-140W unit
- Manages ignition sequencing and burner firing control
- Oversees modulation signals for precise temperature regulation
- Monitors safety inputs including high-limit, pressure, and flow conditions
- Supports onboard fault diagnostics and error code display
- Direct drop-in replacement for simplified installation
- Manufactured to HTP factory specifications for guaranteed compatibility
Application
- Compatible Unit: HTP UFT-140W Ultra-Fire Tube Condensing Water Heater
- Designed for residential and light commercial hydronic heating applications
Why Choose OEM?
Using a genuine HTP replacement control board ensures your UFT-140W operates within factory-designed parameters, preserving system efficiency, warranty compliance, and long-term reliability. Aftermarket substitutes may not replicate the precise firmware and signal thresholds required by the UFT series.







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