2-Stage Automatic Changeover LP Propane Gas Regulator with 36" Pigtail Hoses with Gauge POL Connect 100lb Propane Tank Regulator 1/4" Inverted Male Flare
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2-Stage Automatic Changeover LP Propane Gas Regulator with 36" Pigtail Hoses with Gauge POL Connect 100lb Propane Tank Regulator 1/4" Inverted Male Flare

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2-Stage Automatic Changeover LP Propane Gas Regulator with 36" Pigtail Hoses with Gauge POL Connect 100lb Propane Tank Regulator 1/4" Inverted Male Flare

Key Features

  • Automatic changeover functionality switches from empty service cylinder to reserve cylinder without interrupting gas flow.
  • Integrated visual indicator shows green when primary tank is full and red when service tank is empty.
  • Two-stage design maintains consistent gas pressure for appliances.
  • Includes two 36-inch high-pressure pigtail hoses with POL connections.
  • Output connection: 1/4-inch inverted male flare.
  • CSA certified for safety and performance standards.

Replaces / Cross-Reference Part Numbers

  • Commonly replaces standard RV dual-stage auto-changeover regulators.
  • Compatible with industry-standard twin-stage propane regulator assemblies.

Compatibility & Fitment

  • Designed for use with standard 100lb propane tanks and smaller portable cylinders.
  • Suitable for RVs, travel trailers, campers, and outdoor kitchen propane systems.
  • Inlet connection: POL (standard propane cylinder connection).
  • Outlet connection: 1/4-inch inverted flare (standard for most RV propane piping systems).

When to Replace

  • If the regulator shows signs of external corrosion, rust, or physical damage.
  • If gas pressure fluctuates or appliances fail to ignite consistently.
  • If there is a detectable sulfur or rotten-egg odor near the regulator.
  • If the internal diaphragm fails to maintain pressure or the changeover mechanism ceases to function.
  • If the unit has been in service for 10 or more years.

Installation Tips

  • Ensure the propane supply at the tanks is completely shut off before beginning installation.
  • Use a leak detection solution at all connection points after installation to verify a seal.
  • Mount the regulator in a vertical position with the vent pointing downward to prevent moisture buildup and debris entry.
  • Do not overtighten fittings; use thread sealant approved for propane gas if required by the connection type.
  • Purge air from the propane lines slowly after installation.

FAQ

This 2-stage regulator is designed for RVs, motorhomes, and residential LP gas systems using dual propane tanks. It is compatible with standard 100lb tanks and smaller cylinders utilizing a POL connection.
You should consider replacing your regulator if you notice inconsistent gas pressure, pilot lights that won't stay lit, yellow flames instead of blue, or if you smell gas near the regulator body. Additionally, if the automatic changeover feature fails to switch between tanks, the internal diaphragm has likely reached the end of its service life.
Installation is straightforward and typically requires only two adjustable wrenches or a set of open-ended wrenches to secure the POL fittings to the tanks and the 1/4" inverted flare connection to your gas line. We recommend using a leak detection solution or soapy water to test all connections once installed.
A 2-stage regulator provides a consistent, stable gas pressure to your appliances regardless of the fluctuating pressure inside your propane tanks. The first stage reduces the high tank pressure to an intermediate level, and the second stage regulates it down to the precise 11" water column pressure required for safe appliance operation.
Before installing, inspect your existing propane pigtails and gas lines for signs of dry rot, cracking, or debris. Ensure the tank valves are completely closed and purged of residual pressure. It is also good practice to ensure the regulator is mounted in a vertical position with the vent facing downward to prevent water accumulation and freezing.
The indicator on the regulator monitors the pressure from the service tank. When the primary tank is empty, the regulator automatically switches to the reserve tank. The gauge will change color to indicate that the primary tank is depleted, signaling that it is time to refill while the system continues to run off the reserve.