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🔥 Compact power, precision pressure — your propane system’s best first stage! ⚙️
The Emerson-Fisher R122H-AAJ is a UL-listed, non-adjustable first-stage propane regulator with a 10 psig outlet setting, designed for domestic LP-gas systems. Featuring a robust stainless steel body, 1/4" x 1/2" NPT threaded connections, and a high capacity of 1,100,000 BTU/hr, it ensures safe, reliable pressure regulation. Ideal for tight installations, it includes inlet/outlet gauge taps for easy system testing and comes with a 5-year manufacturer warranty.
| ASIN | B01M308YJN |
| Best Sellers Rank | #76,018 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #54 in Industrial Pressure Regulators |
| Brand | Emerson-Fisher LP-Gas Equipment |
| Brand Name | Emerson-Fisher LP-Gas Equipment |
| Connector Type | Threaded |
| Customer Reviews | 4.5 out of 5 stars 131 Reviews |
| Exterior Finish | Stainless Steel |
| Included Components | Mounting Screws |
| Inlet Connection Size | 0.5 inches |
| Inlet Connection Type | National Pipe Tapered |
| Manufacturer | Emerson Regulator Technologies, Inc. |
| Manufacturer Part Number | R122H-AAJ |
| Manufacturer Warranty Description | 5 Year Manufacturer |
| Material | Stainless Steel |
| Material Type | Stainless Steel |
| Maximum Pressure | 250 psi |
| Model Number | R122H-AAJ |
| Number of Items | 1 |
| Number of Packs | 1 |
| Number of Ports | 2 |
| Outlet Connection Size | 0.5 inches |
| Outlet Connection Type | NPT |
| Size | 1/4-inch x 1/2-inch |
| Specification Met | Ul, Crn |
| Thread Size | 0.5 inches |
| Thread Type | 1 |
| Unit Count | 1 Count |
| Valve Type | Diaphragm Valve |
K**M
Did the job!
Works fine.
A**R
As described, worked well
Installed and worked ok
R**S
The one you need
Perfect first stage regulator, no complaints at all. Go with this one, a reputable company that's been around for a long time.
J**H
Propane tank regulator
Works great! And for the price compared to the leaking rego regulator can’t beat it
L**X
It works!
It works as its intended. That’s what I bought it for. I hope it works as long as the old one.
J**N
You get what you pay for.
Seems to leak out of the vent port. I am having a hard time testing it.
R**E
Emerson gas regulator
Easy installation works great
S**R
good regulator
purchased this as part of a new install for propane supply to a new Generac generator from 500 gallon tank, shipped quick and works fine I would buy again
Trustpilot
4 days ago
1 month ago