and fully complies with EPA venting regulations

this capillary ensures a secure

this is an Electronically Commutated Motor (ECM)

including CMF80 and CMF100 models

Tjernlund Products 950-0650 Fan Prover Kit 321894-708 and fully complies with EPAThe 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.