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Field Adjustability: Allows for fine-tuning of the starting point and operating span to match specific HVAC sequencing logic
this unit is favored by technicians for its internal pilot-operated diaphragm
providing a critical barrier against particulate matter that can lead to compressor friction and premature bearing failure
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 Field Adjustability: Allows for fine-tuningThe 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.
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