Fisher Type R122H is an UL listed regulator designed for Two-Stage LP-Gas systems. The unit is designed for use as a first-stage regulator for domestic applications, perfect for tight installations. Stainless steel internal parts and corrosion resistant coatings provide Recommended Replacement Life of 20 years. Inlet and outlet gauge taps allow easy system testing, even in underground tanks. The outlet pressure set point remains at a nominal factory setting of 10 psig / 0,69 bar.