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🔥 Power your propane setup with precision and reliability!
The Marshall 1122H-AAJ First Stage Propane LP Regulator delivers adjustable 8-12 PSI output with a robust 1,000,000 BTU capacity. Featuring 1/4" female NPT input and 1/2" female NPT output, it supports up to 250 PSI max input pressure. Designed for durability and compatibility, it replaces leading models like Rego LV3403TR and Fisher R122H-AAJ, making it the go-to choice for professional-grade propane regulation.
| Best Sellers Rank | #163,128 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #962 in Grill Connectors & Hoses |
| Customer Reviews | 4.4 out of 5 stars 109 Reviews |
J**F
Good quality and craftsmanship
Good quality and nicely made. Very easy to use and works just as it was supposed to.
V**.
Worked perfect
Worked perfect out of the box, obvious quality, which is important when dealing with gas.
B**Y
Large LP Regulator.
Works great. I installed it on my 40' motorhone external 100# LP tank, and now I don't have a reduction in flow when it gets cold.
W**Y
Works Great
It came preset to the desired water column pressure!!! Just should have came with its tank to regulator supply line.
A**A
Leaks Propane
This regulator leaks propane from the input port. The threads will not seal.
J**Y
Quality product
Gas regulator great performance and fit
A**.
First Stage LP ordered for spare
This regulator is used as a first stage regulator for LP gas at the storage tank and is set for 10 PSI exit pressure. The unit is easy to mount.
J**.
Good product, not the right application
The only reason I'm not giving this item a 5 star rating is because in my application I should have chosen a higher pressure regulator. This regulator operated exactly a advertised and deserves 5 stars in the right application. I'm running propane from a 200 gal tank to my RV. The things I read said I should reduce the tank pressure to 10PSIG to prevent sludge from building up in the hose. However, 10PSIG barely gives me enough pressure at the RV to run it. A 20PSIG regulator would be best.