User Manual Q&AAnswer
Mar 01, 2025 - 03:42 AM
To install the MERCURY Duoetto MK2 RV Water Heater, please follow these steps:
1. Mount the heater horizontally using the provided mounting brackets and bolts. Make sure to fix the brackets securely to the floor or wall.
2. xxxx the combined pressure relief/non-return valve onto the cold-water inlet using a liquid thread sealer to ensure a non-leaking fitting.
3. Connect the cold-water hose to the pressure relief valve and attach the provided clear hose to the pressure relief valve safety outlet. Secure the clear hose with a cable tie or plumbing band hose clamp. The clear hose should be routed to drainage in a continuous downward direction for gravity draining.
4. Connect the hot water hose to the hot water outlet.
5. Check all hose connections for leaks by pressuring the unit.
6. Plug the water heater into a standard household power point for 240V AC installation. For 12V DC installation, connect the large red wire to a 12V positive power source and the large black wire to the negative.
7. Switch on the water heater.
Please refer to the instruction manual for more detailed installation instructions and diagrams.
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