10 Best Propane Regulator 2025 in the United States

The Flame King KT12ACR6 2-Stage Auto Changeover LP Propane Gas Regulator is a solid choice for those who need a dependable regulator for their RVs, vans, or trailers. One of its standout features is its ability to automatically switch from the primary to the reserve tank without interrupting the propane supply. This is particularly useful during long trips where refilling tanks could be inconvenient. The regulator is UL listed and has an impressive BTU capacity of 345,200, ensuring it can handle substantial propane demands. Additionally, the double-stage design helps maintain consistent gas pressure, which is essential for appliances that require stable fuel flow.

On the downside, some users might find the installation slightly complex if they are not familiar with propane systems, although the included pigtails do simplify connections. The regulator is factory set at 11 inches water column, which might not suit everyone’s specific needs; some users may need to adjust it for optimal performance in their particular setup. Furthermore, while the material seems durable, it’s always advisable to check for wear and tear over time, especially if exposed to harsh weather conditions often experienced by RV owners.

This regulator is particularly beneficial for RV enthusiasts who require a reliable, automatic changeover solution with high BTU capacity. It balances convenience with thoughtful engineering, although those new to propane systems may need to seek assistance during setup.

The Cavagna Kosan 924N RV Auto Changeover Regulator is designed specifically for RV use, with an efficient auto changeover feature that ensures a continuous supply of propane. It has a capacity of 160,000 BTU, which is substantial for most RV applications, ensuring that it can handle multiple appliances running simultaneously without any issues.

The regulator features two 1/4" inverted flare inlets and a 3/8" female NPT outlet, which are standard connections that should be compatible with most propane setups in RVs. A noteworthy aspect is its construction, with stainless steel screws and bolts adding to its durability and resistance to rust and corrosion. The high-temperature resistant diaphragm contributes to its reliability and safety, which is crucial for handling propane.

The compact size (8.27 x 8.27 x 5.71 inches) and light weight (1.48 pounds) make it easy to install and suitable for RV environments where space is often limited.

The Flame King 2 Stage Propane LP Horizontal Super Compact Regulator is a dual-stage regulator designed primarily for RVs, vans, trailers, campers, and large vehicles with high BTU output appliances. It effectively manages gas pressure changes, ensuring a steady flow of propane to your appliances. This is especially beneficial for larger RVs or food trucks where consistent gas pressure is crucial.

The regulator is capable of handling up to 160,000 BTU per hour with an outlet pressure of 11 inches water column, making it suitable for high-demand applications. Constructed from heavy-duty aluminum and solid brass, it promises durability and secure, leak-free connections. The inclusion of a POL inlet tank connection and a 3/8"-18NPT outlet connection adds to its reliability.

This product also features a vent hole at the top, contributing to safety. On the downside, the regulator's compact size may limit its versatility in some setups. Additionally, while its primary construction materials are robust, the external rubber gasket may wear out over time and require replacement. It is a strong contender for anyone needing a reliable propane regulator for larger vehicles or high BTU applications.