Power Requirements for Dometic RV Furnace - LP Gas - Automatic Pilot - 12V DC - 25,000 Btu
Updated 11/17/2025 | Published 11/30/2024
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Question:
What is the power requirements of the 120 to 12 volt converter that is needed to operate your 12volt furnaces and do you have a recommendation of a power supply to purchase.
asked by: Steve B
Expert Reply:
Hi Steve; the requirements vary depending on the model but the # DMC94RR uses 12V power with an amperage of 7.5A. Your converter only needs to be able to handle the 7.5 amp draw from the furnace. The smallest we have is a converter charger like the # PD49RR which is 30A but you're going to need a battery to go with it. Alternatively you could add a full power center like # PD4045KA. The converter output is quite a bit higher compared to your requirement but that gives you room to add something later like lights.
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on RV Furnace
Robin H.
11/17/2025
Hey Steve, how did things go with the converter setup for your 12V furnace? Did the 30A converter or the full power center end up being the better fit for your needs? Your update could make it easier for the next person with the same question.