providing essential compressor protection against over-pressurization caused by issues like restricted airflow or dirty condenser coils

enabling the linear modulation of M/MR valves

Can I replace this head without draining the hydronic system

This is typically used to increase cooling water flow to a heat exchanger as the process temperature increases

This OEM-spec replacement measures approximately 13 x 19-1/4 x 7/16 inches (nominal 13x20)

Modine 5H0730570008 Switch 321702-401 providing essential compressor protection againstThe 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