Tjernlund Products 950-0650 Fan Prover Kit 318172-701 Operating at 1050 RPM with

Operating at 1050 RPM with a 3/4 HP rating

Whether you are performing a routine maintenance swap or responding to an emergency call where a snapped blade has caused excessive vibration

this unit is favored by technicians for its internal pilot-operated diaphragm

ensuring system safety and stable head pressure management for professional-grade HVACR installations

Industrial-Grade Build: Robust 1/20 HP construction provides the durability needed for continuous-duty HVAC cycles

Tjernlund Products 950-0650 Fan Prover Kit 318172-701 Operating at 1050 RPM withThe Tjernlund Products 950 0650 Fan Prover Kit is a critical safety component designed specifically for integration with the SS1 Power Venter. As a direct OEM replacement part, this kit ensures the pressure switch accurately monitors the vent system performance, preventing burner operation if the draft is insufficient. This kit replaces the older 899 0500 model and is engineered to detect precise changes in static pressure within the fan housing.