Allows removal of an empty cylinder for refill without interrupting the propane supply
For RVs with dual propane tanks, it automatically switches from the primary tank to the reserve tank when the primary is empty
UL LISTED: Inlets are 1/4" SAE inverted flare, and the outlet is 3/8" NPT female pipe thread; rated for 345,200 BTU
Double-stage design maintains constant gas pressure under changing demand and conditions; the regulator is factory set at 11" WC (water column); lockout pressure is up to 14.9" WC
Compatible with Flame King's 48-inch Thermo Plastic Hose (Model 100383-48) and 12-18 inch INVERTED FLARE Pigtails (Models E12INPT, E15INPT, or E18INPT)
For your safety and to ensure leak-free performance, these regulators are assembled using high-strength thread-locker (Loctite) on the adapter connections where the pigtails are attached. This is an intentional safety measure designed to keep critical fittings secure and prevent gas leaks during use.
Note: NPT pigtails are not recommended.

 
 
 
 
Product description
 
 
 
 
 
 
 Flame King Stage Auto Changeover LP Propane Gas Regulator for RVs, Vans, and Trailers 
 
 The Auto-Changeover LP Regulator allows you to hook up to 2 Propane tanks. The regulator automatically switches over to the second tank once the first one runs out (and vice versa). The indicator changes color to let you know when a tank has been depleted and needs to be refilled. The inlet is a 1/4" SAE inverted flare, and the outlet is a 3/8" NPT female pipe thread; rated for 345,200 BTU. Compatible with Flame King's 48-inch Thermo Plastic Hose (Model 100383-48) and 12-18 inch INVERTED FLARE Pigtails (Models E12INPT, E15INPT, or E18INPT). Note: NPT pigtails are not recommended. For your safety and to ensure leak-free performance, these regulators are assembled using high-strength thread-locker (Loctite) on the adapter connections where the pigtails are attached. This is an intentional safety measure designed to keep critical fittings secure and prevent gas leaks during use. 
 
 
 
 
 
 
 
 
Allows removal of empty cylinder for refill without interrupting propane supply
For RVs with dual propane tanks; automatically switches from primary to reserve tank when primary is empty
Compatible with Flame King's 48-Inch Thermo Plastic Hose, item 100383-48 and 12-18 inch Pigtails - E12INPT, E15INPT or E18INPT
Double-stage design maintains constant gas pressure under changing demand and conditions
UL LISTED: Inlets are 1/4" SAE inverted flare and the outlet is 3/8" NPT female pipe thread
Rated for 345,200 BTU
 
 
 
 
 
 
 Please read below instructions or watch our video above 
 
Turn the Lever towards a tank.
If there is propane in the tank, the indicator will go clear.
Propane will begin to flow from this tank ONLY through the regulator and to the appliances.
When the tank runs out of propane, the indicator will show RED and the regulator will automatically switch over to pulling propane from the other tank.
Rotate the lever to the other side and the indicator will go clear again.
This will allow you to remove the empty tank and get it filled.
Propane will flow from the second one while you get the first one refilled.