Replace diaphragm fot holding tank hand pump

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Mike Fleming

The diaphragm on the hand discharge pump has age cracks and splits. I don’t use the pump but I think would cause a vacuum leak during a pump-out. The system doesn’t have a gate valve bypassing the hand pump. I‘m looking for a replacement part. I have a 1986 Hunter 28.5. Thanks for your help
 
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Peggie Hall/Head Mistress

Buy a rebuild kit for it

Manual diapragm pumps require occasional replacement of all the rubber parts, same as toilets do...all ya gotta do is figure out the make/model of your pump and get the kit for. Manual diaphragm pumps and seacocks also require lubrication...use the same thick teflon grease recommended for the toilet.
 
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