Vertical Mounting: Optimized for overhead installations where vertical mount fire detectors are required for code compliance

This harness repair kit is essential for maintaining the operational safety and duty cycle of York air handlers and electric furnaces

making it a staple for contractors maintaining system pressure and refrigerant regulation

Key Benefits for Technicians Precise Thermal Calibration: Factory-set to open at 120°F and close at 100°F for consistent cycling and safety

Viessmann 7134328 Circuit Board 323269-701 Vertical Mounting: Optimized for overheadThe Viessmann 7134328 is a critical VR20 control board specifically engineered for Vitodens 200 WB2 and WB2A series gas condensing boilers. Functioning as a high precision communication interface, this replacement circuit board facilitates data transfer between the LGM 29 burner control unit and the main system sensors. It is essential for managing boiler fault codes such as A1, A4, and outdoor temperature sensor malfunctions. Field replacement