Quote:
Originally Posted by hankwilliamsjrjr
I am a newbie and purchased a used 2012 Sunseeker 2450. There are three valves under the bed and one valve in the compartment for the water pump. None are marked. Does anyone know what they are for and which one is water heater bypass? I am going to have to winterize shortly and need this info. Thank you in advance
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Two of the valves under the bed stop water from entering (blue) and leaving (red) the water heater. Once they are closed you can drain the heater and no more will enter. The last valve under the bed is the bypass and that simply short circuits the water heading to the heater into the hot water piping so you can have flow into the entire piping system. For draining and A/F fill for winterizing. So therefore two isolate the heater and the 3rd skips around the heater.
Take a snapshop of the existing arrangement both locations, it will make it easier to make it right in a few months.