Maxitrol 1-1/4" Straight Flow Thru Regulator RV81-1 1/4, Up To 4,500,000 BTU

Maxitrol's original straight-thru-flow design meet your needs for high capacities at low inlet pressures. models are designed for 1/2 psi rate pressure under the ansi standard for gas pressure regulators. they are main burner only, non-lockup type. use only where downstream controls can operate at line pressure. made in the usa.