This 60A 3-pole DP contactor is footprint-compatible with many OEM components

provided the unit-side matches the 45M66 specifications

" ensuring accurate valve positioning and flow control

Common Questions: How do I troubleshoot a pressure switch error on a Reznor heater

it provides precise airflow management

Tjernlund Products 950-0471 Fan Prover Kit 319848-301 This 60A 3-pole DP contactorThe Tjernlund Products 950 0471 Fan Prover Kit is a critical safety interlock designed for commercial PAI series intake hoods and induction systems. As a veteran grade pressure switch kit, it serves as the primary mechanism to verify proper airflow before allowing the burner circuit to energize. This OEM Tjernlund 950 0471 assembly features a high precision diaphragm calibrated to 1. 35" WC PF, ensuring that the draft inducer or vent fan is moving