Maxitrol RV81, 1-1/2"NPT gas pressure regulator, 3-6"WC outlet spring – HVAC BARN
RV81-1-1/4 RV81-1-1/4 Maxitrol Rv81-1010-0032 from MAXITROL - SouthSideControl
Gas Appliance Pressure Regulators - Maxitrol
Maxitrol Rv81-1010 Regulator Rv 1-1/4 Inch 3.5 Inches Of Water Column Set 3-6 Inch Spring 1 Pounds Per Square Inch Aluminum -40 To 205 Degrees Fahrenheit Npt | Blackhawk Supply