My book says a gas control #254, will a 253 work in place of the 254 (Marshall Excelsior MEGR-253 Two-Stage Automatic Changeover Regulator)

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Marshall Excelsior MEGR-253 Two-Stage Automatic Changeover Regulator Questions & Answers

Marshall Excelsior MEGR-253 Two-Stage Automatic Changeover Regulator

The Marshall Excelsior Two-Stage Automatic Changeover Regulator automatically redirects LP gas vapor flow from an empty service cylinder to a reserve cylinder, without interruptions of service.

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