It is a direct fit for Allied

Designed for use with R22 refrigerant

OEM Compatibility: Ensures a direct fit for Reznor gas-fired heaters

Key Benefits Dual functionality: Combines reliable boiler water feeding with a safety cut-off to protect against low water conditions

this plug provides the exact pinout configuration required for immediate plug-and-play restoration of furnace functionality

Viessmann 7837053 Sensor 320788-702 It is a direct fitThe Viessmann 7837053 Sensor #1 is a critical outdoor NTC temperature sensor engineered for high precision weather compensation in Vitodens and Vitocrossal series boilers. As a genuine OEM temperature sensor, it utilizes a Negative Temperature Coefficient (NTC) thermistor to provide real time ambient data to the control logic, allowing the system to modulate the burner and supply temperature based on outdoor conditions. This HVAC temperature control