Using genuine Fenwal parts like the 05-129921-124 maintains system integrity and prevents the erratic lockouts often caused by inferior aftermarket wiring

51" WC at the pressure port

an 'Open High' action controller would typically be required

For precise regulation

Technical Specification Adherence: Meets stringent requirements for HVAC replacement parts

Reznor 201417 Wiring Harness 30067439-890 Using genuine Fenwal parts likeThe Reznor 201417 Wiring Harness is a critical OEM replacement part designed for high performance gas fired unit heaters. Engineered specifically for the power vented UDAP and separated combustion UDAS series, this 9 pin terminal harness ensures precise signal transmission between the integrated ignition control board and the unit's mechanical components. It is essential for maintaining the sequences of operation in UDAP150, UDAP175, and UDAP200