Modine 5H0730570008 Switch 321894-709 Precise Proportional Control: The 3-7

Precise Proportional Control: The 3-7 psi nominal spring range allows for accurate positioning throughout the full damper stroke

OEM Compatibility: Exact replacement for Heil Quaker ICP 1171483

We recommend testing the existing capacitor or replacing it during motor installation to prevent premature winding failure

making it a reliable solution for retrofitting older heating systems

significantly reducing energy consumption while improving airflow reliability

Modine 5H0730570008 Switch 321894-709 Precise Proportional Control: The 3-7The Modine 5H0730570008 Blocked Vent Switch is a critical safety component engineered to monitor exhaust integrity in Modine gravity vent heaters, including PA, PAE, and PD series units manufactured after 1986. Functioning as a high limit spill switch, this manual reset device detects flue gas spillage caused by downstream obstructions or inadequate draft. By monitoring temperatures within the draft diverter, it interrupts the 24V control circuit to