Maxitrol RV81 Gas Pressure Regulator 1-1/2″ NPT 3–6″ WC Straight-Through Flow

Overview

Maxitrol RV81 1-1/2" NPT Gas Pressure Regulator – 3" to 6" W.C. Straight-Through FlowThis heavy-duty Maxitrol RV81 pressure regulator is engineered for commercial and industrial gas systems requiring precise control and high flow. Designed for natural gas (NG) and liquid propane (LP), the RV81 supports extremely high BTU loads and is ideal for main burner and pilot applications.

Featuring Maxitrol’s dependable rubber seat poppet assembly, the RV81 delivers stable outlet pressure and smooth operation. The straight-through flow design provides minimal resistance, making it suitable for main burners, large appliances, and multi-zone commercial installations.⭐ Key SpecificationsInlet/Outlet: 1-1/2" F. NPTOutlet Pressure Range: 3.0" – 6.0" W.C.BTU Rating: 2,500,000 NG / 4,025,000 LP

Model: RV81REM Number: 9C951Body

Material: Cast AluminumFlow

Type: Straight-Through⭐ ApplicationsNatural gas and LP gas distributionMain burner & pilot systems

Commercial furnaces and boilersRV47 / RV48 poppet systems2-PSI systems with downstream regulation⭐ Features & BenefitsLever-acting regulator for consistent outputStraight-through design reduces turbulence and noise

Reliable long-life rubber seat poppet assemblyHigh BTU capacity for large commercial appliancesTrusted Maxitrol quality and durabilityThis RV81 is ideal for HVAC contractors, gas fitters, and commercial plant operators requiring a dependable high-flow regulator.

Product details

Part / SKU	RV81

Package includes

• Maxitrol RV81 Gas Pressure Regulator 1-1/2" NPT 3–6" WC Straight-Through Flow

Included components and any stated pack quantity are as described in this listing. Optional accessories shown separately are sold separately unless expressly included above.