The pump noise is likely a result from the rigid plumbing attached to it, installing rubber couplings will help if you can squeeze them in. I see space on the output for sure but not so much on the input unless you remove your union valve. However removing the valve is an option, a rubber coupling can serve the same purpose as a union and you could keep a threaded plug handy to replace the purpose of the valve, just not as convenient.
You can get pipe thread compound for threaded joints which I find works good on pumps. Might help with leaks, Teflon tape isn't as effective and using too much can crack the pump housing. The pipe compound is a paste and you can't use too much.
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02-19-2013, 09:20 PM
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