which is ideal for systems with low pressure drops across the evaporator coil

featuring twelve 8-32 nuts and twelve 10-32 nuts

measure the open circuit output

one locking nut

Weil McLain 382-200-317 Pressure Switch 30067439-890 which is ideal for systemsThe Weil McLain 382 200 317 Pressure Switch is a critical high altitude kit designed specifically for GV series boilers operating at elevations between 5,500 and 10,000 feet. This 1. 25" W. C. pressure switch features a single pole single throw (SPST) configuration, calibrated to ensure precise drafting safety and ignition sequencing in thin atmospheric conditions. As a factory authorized Weil McLain replacement part, it addresses the common issue of