Description
Flame King ACR-2 RV auto changeover propane regulator – NEW two-stage low-pressure regulator designed specifically for dual-tank RV propane systems that require uninterrupted gas supply and stable pressure to all onboard appliances.
This auto-changeover propane regulator automatically switches from the primary cylinder to the reserve cylinder when the main tank becomes empty, allowing you to remove and refill an empty tank without interrupting propane service.
Manufactured by Flame King, the ACR-2 regulator features a high-capacity two-stage design that maintains consistent outlet pressure under varying loads and operating conditions.
Key Specifications
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Manufacturer: Flame King
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Manufacturer Part Number: ACR-2
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Product Type: RV auto changeover propane regulator
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Pressure Type: Low pressure
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RV Approved: Yes
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Installation Type: Vertical mount
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Number of Stages: 2 (two-stage)
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BTU Capacity: 345,200 BTU per hour
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Inlet Connection: 1/4 inch SAE inverted flare (female)
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Outlet Connection: 3/8 inch female NPT
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Material: Aluminum
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With Shut-Off Valve: No
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With Hose: No
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Condition: New
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Warranty: Limited 1-year manufacturer warranty
Features & Benefits
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Auto changeover design allows uninterrupted propane supply
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Automatically switches from the primary cylinder to the reserve tank
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Ideal for RVs with dual propane cylinders
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Two-stage regulation maintains stable gas pressure under changing demand
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High-capacity 345,200 BTU rating supports multiple RV appliances
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Low-pressure output for standard RV propane systems
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Aluminum regulator body for durability and corrosion resistance
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Designed and approved for RV use
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Allows removal of an empty cylinder for refill without shutting down appliances
Connection Details
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Inlets: 1/4" SAE female inverted flare
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Outlet: 3/8" female NPT
Compatibility Notes
This regulator is designed to be compatible with:
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Flame King 48-inch thermoplastic hose
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12- to 18-inch propane pigtails
(Hoses and pigtails are not included.)
Product Fitment & Application
The Flame King ACR-2 auto changeover propane regulator is intended for:
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Travel trailers
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Fifth wheels
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Motorhomes
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Any RV equipped with dual propane cylinders
Always verify inlet fitting style, mounting orientation, and hose compatibility before installation.
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