2-Stage Auto Changeover Propane Regulator For RVs Vans And Trailers With Dual Tank Switch UL Listed Flame King ACR-2 Replacement Without Pigtails 1/4 Inlet SAE Inverted Flare And 3/8 NPT Outlet Keeps Propane Flow Seamless
✔️ UL-listed dual-tank auto-changeover regulator, 345,200 BTU, 11 in WC
This two-stage auto-changeover propane regulator is built for RVs, vans, and trailers that run on two propane tanks. It automatically switches from the primary to the reserve tank when the main tank runs dry, keeping your propane flow steady without manual tank swapping. Inlet is 1/4" SAE inverted flare and outlet is 3/8" NPT, with a robust 345,200 BTU rating. Factory setting is 11 inches of water column (WC) and lockout is up to 14.9 WC. UL listed for safety, it uses Loctite thread-locker on adapter connections to prevent leaks. NPT pigtails are not recommended. Compatible with a 48-inch Thermo Plastic Hose (Model 100383-48) and 12-18 inch inverted flare pigtails (Models E12INPT, E15INPT, or E18INPT).
✅ Double-stage design maintains constant gas pressure during changing demand
✅ UL-listed 1/4" SAE inverted flare inlet and 3/8" NPT outlet
✅ 345,200 BTU rating for reliable RV supply
✅ Factory set at 11 in WC with lockout up to 14.9 in WC
✅ Safety-focused assembly with Loctite on adapters; NPT pigtails not recommended
💡 What is a two-stage propane regulator used for in RV setups and how does auto-changeover work? This handy device keeps propane flowing smoothly when you’re cooking or heating on the road. - preserves steady propane pressure during changing demand in RV applications - automatically switches from primary to reserve tank to prevent interruptions - designed for safe, leak-free operation and straightforward installation