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Old 05-23-2022, 12:48 AM   #1
City: Seattle
Join Date: Nov 2021
Posts: 5
Fresh Water Pressure Pump Question

On a Nordic Tug 37, the fresh water pressure pump occasionally stops working. The breaker is on but no pump and no pressure. However, when I turn off the breaker, wait a few seconds, and turn it back on, the pump works perfectly. Any suggestions on problem and/or fixes? This one has me mystified.

Ted on Galaxy (NT37)
Seattle, WA
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Old 05-23-2022, 06:09 AM   #2
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City: South Florida
Join Date: Sep 2014
Posts: 976
For intermittent electrical issues, I always check connections first.

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Old 05-23-2022, 07:38 AM   #3
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City: Saint Petersburg
Vessel Name: Weebles
Vessel Model: 1970 Willard 36 Trawler
Join Date: Mar 2019
Posts: 3,990
Maybe a sticking pressure switch? Guessing that power-cycling the pump provides a short-shot of pressure that effectively resets the switch - this may solve itself with repeated resets. Not sure pressure switches are serviceable on the modern ubiquitous water pump such as the Surflow. Maybe try hitting the housing with back of a screwdriver instead of power-cycling.

Wish I had better input.

M/V Weebles
1970 Willard 36 Sedan Trawler
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Old 05-23-2022, 07:52 AM   #4
City: Olympia
Vessel Name: Rendezvous
Vessel Model: Blue water 40
Join Date: Aug 2021
Posts: 586
Circuit breaker might be starting to fail. I had one do exactly as you describe. Breakers donít really like to be energized with a load present, and the water pump is generally running with the flip of the breaker. Put your volt meter on the breaker output to check.
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