Why is my heater requiring a manual reset on the vent switch

The unit is housed in a durable NEMA 1 enclosure

ensuring reliable measurement for air

By utilizing 2-stage regulation

For single furnace systems

Armstrong International 75A6 Trap THPU32HP7Y Why is my heater requiringThe Armstrong International 75A6 Trap is a heavy duty cast iron float and thermostatic steam trap engineered for high capacity industrial applications. Featuring a 1 1 2 inch NPT connection and a precision engineered 19 64 inch orifice, this Series A trap is designed to handle a maximum operating pressure of 75 PSI. It excels in modulating steam pressure systems, providing continuous condensate drainage and immediate air venting through an integrated