though an upright position is required if utilizing a ball check vent limiter

passing a small microamp signal through the burner flame to the integrated furnace control (IFC)

This 6-inch main branch tube-spring assembly ensures seamless communication between the thermostat and the terminal equipment by maintaining consistent air pressure signals

covering the majority of standard damper sizes

Spirax-Sarco 70564 Thermo Trap 30067439-890 though an upright position isThe Spirax Sarco 70564 is a professional grade RTA 125 1 2" angle pattern thermostatic steam trap designed for the rigorous demands of balanced pressure steam systems. Built with a heavy duty forged red brass body (ASTM B124), this trap features a precision welded stainless steel element that is self adjusting across the entire operating pressure range up to 125 psig. It is specifically engineered to discharge condensate and air at approximately 23F