General Boards > Technical Support

Filling Fresh Water Tank

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Gerald Farris:
Harry,
The first and easiest modification to make is to remove the factory inlet water regulator (city water inlet), and replace it with a high flow check valve. You will also have to use a high flow rate (5/8 to 3/4 inch inside diameter) Watts adjustable water regulator (preferable with a pressure gauge) set at 60 PSI at the facet before your water hose.

This modification should increase your water flow rate when filling the tank or using water inside the coach when on city water without the water pump by about 50% or maybe a little more.

There are also other modifications that can be done to improve the fill rate of the tank but they are more complicated and they will give a lower percentage of flow increase.

Gerald

Bill Sprague:
Mine is painfully slow to fill too.   I have made the modifications with the 3//4 inch Watts pressure regulator and the high rate check valve suggested by Gerald and there is some improvement, but not enough.  I think the real restriction is in the manifold with the valves on it.  

I have figured out a way to add a one inch fill line directly to the tank.  The tricky part is installing new bulkhead fittings for the inlet and a vent.  I've gathered the parts and tools so the remainder should be about a 1 hour job.  

I'll be at Harrisburg if anyone wants to see the parts, how I'm going to do it and offer advice.  Cost  for the parts is about $25.

Jerry Carr:
Hi Bill, I would like to see how you do the change! See you in Harrisburg

Jerry

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