Line pressure regulator reduces supply pressure from 2 and 10 PSIG for SunStar SIR Series Garage Heaters, or SC and SGM Series Infrared Ceramic Heaters.
Size: 1/2 x 1/2, UL: Yes. Heavy-duty construction High-capacity internal relief Inlet and outlet pressure taps for easy system checks Must be vented outside Reduces outlet pressure to 11in. WC