Answer
Sep 26, 2025 - 07:55 AM
The Marshall Excelsior MEGR-253 Two-Stage Automatic Changeover Regulator is engineered to provide a fixed low-pressure output, typically around 11" W.C. (~0.5 PSI), which matches standard RV-style regulators. This makes it unsuitable for applications that require an adjustable intermediate pressure below 50 PSI for connecting to a house manifold. For your requirements, a high-pressure automatic changeover regulator with an adjustable outlet pressure—such as the MEGR-1620 model—would be necessary. Unfortunately, we do not carry the MEGR-1620 model at this time.
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