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David RuizAug 5, 2025
What to do if water is escaping at the pressure relief valve in my MDC Caravan?
- JJames MartinezAug 5, 2025
If water is escaping at the pressure relief valve, the water pressure in the system may be too high. Adjust the water pump pressure to a maximum of 65 psi (4.5 bar). If connected to a central water supply exceeding this pressure, install a pressure reducer at the fresh water supply. Alternatively, the water might not be able to expand in the system, in which case you should contact the vehicle manufacturer about retrofitting a pressure compensation element. Finally, lime or dirt under the pressure relief valve seat could be the cause. Allow the appliance to cool, then slowly raise the test lever to flush the system, attempting to force out any debris. If this doesn't work, replace the pressure relief valve by a certified service technician.
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