A member filling the onboard water tank on a 1989 Sunsport found leaks under the sink and near the toilet, with water running out above the driver side rear wheel well. After removing the toilet and floor, they found the main leak was a snapped T-fitting feeding the shower, while another member described the plumbing route and noted isolation valves below the sink.
Members suggested the broken plastic fitting could have been freeze damage, but the owner felt it was more likely caused by...
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A member filling the onboard water tank on a 1989 Sunsport found leaks under the sink and near the toilet, with water running out above the driver side rear wheel well. After removing the toilet and floor, they found the main leak was a snapped T-fitting feeding the shower, while another member described the plumbing route and noted isolation valves below the sink.
Members suggested the broken plastic fitting could have been freeze damage, but the owner felt it was more likely caused by pipework installed under tension, since the system had not held water during their ownership. The owner sourced replacement fittings, repaired the pipe, rebuilt the toilet floor area, and reported the leak was sorted, also noting both 12-volt and mains wiring were present under that section.