{"id":34,"date":"2019-07-03T17:20:31","date_gmt":"2019-07-03T22:20:31","guid":{"rendered":"https:\/\/decideoutside.com\/why-your-rv-water-pump-pulsates-and-how-to-fix-it\/"},"modified":"2023-09-23T06:35:50","modified_gmt":"2023-09-23T11:35:50","slug":"why-your-rv-water-pump-pulsates-and-how-to-fix-it","status":"publish","type":"post","link":"https:\/\/decideoutside.com\/why-your-rv-water-pump-pulsates-and-how-to-fix-it\/","title":{"rendered":"Why Your RV Water Pump Pulsates and How to Fix it"},"content":{"rendered":"\n

Have you noticed that your RV water pump pulsates when you\nuse it? I have, especially when taking a shower. Changes in water pressure and\ntemperature while trying to shower in your RV is not fun.<\/p>\n\n\n\n

Why does your RV water pump pulsate and how can you fix it? <\/h2>\n\n\n\n

Your RV water pump pulsates because it uses pressure switches to start and stop your water pump. If this switch is not set properly, pulsations occur. The more sensitive the pressure switch is to the change in pressure, the fewer pulsations.<\/strong><\/p>\n\n\n\n

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Does fixing your RV water pump sound difficult?
It\u2019s really not that hard. Since the pump operates on a difference in pressure, changing the sensitivity of the pressure switch can help control the cycling of the pump.<\/p>\n\n\n\n

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How To Fix Your Pulsating RV Water Pump<\/h2>\n\n\n\n

Making the switch more sensitive to the change in pressure caused by turning on the faucet, makes the pump start quicker and run longer. The water pressure stays steadier and reduces the frequency of pulsations. Most pumps have an ideal setting that can almost eliminate pulsations. When set correctly, the pump should remain on while you are taking a shower, and turn off when you turn off the shower valve.  Adjusting your pressure settings on most pumps is pretty easy. <\/p>\n\n\n\n

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Tips: <\/p>\n\n\n\n

– You will need to have your shower running to make this adjustment.
– It can be helpful to have a second person monitoring the shower flow.
– Tools needed may be an Allen wrench (or hex-key wrench) or Phillip\u2019s head (or crosshead) screwdriver depending on your brand of water pump. Both are easily found in any hardware store.<\/p>\n\n\n\n

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Find Your RV Water Pump<\/h3>\n\n\n\n

The first thing you will need to do is to find out where your RV water pump is located. The best place to start is in your wet bay. <\/p>\n\n\n\n

What Brand Is Your RV Water Pump?<\/h3>\n\n\n\n

The second thing you will need to do is to figure out which brand of water pump you have. Not all RV\u2019s have the same brand of water pumps. <\/p>\n\n\n\n

Once you have located your RV water pump and identified the brand (usually clearly identified on the pump or in your RV owner\u2019s manual), you can follow simple steps to make the adjustments.  <\/p>\n\n\n\n

Here are some examples of the most common RV water pumps and how to adjust them. Even if yours is not on this list, most have similar adjustments.<\/p>\n\n\n\n

Adjusting Shurflo water pumps pressure setting<\/h3>\n\n\n\n
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  1. Turn on your shower<\/li>\n\n\n\n
  2. At the water pump, at the end of the water pump that the piping is connected to, you will find a housing that has 2 red wires coming out of it. On that housing find the hex-key adjustment screw (also known as an Allen screw)<\/li>\n\n\n\n
  3. Using an Allen wrench, turn the screw clockwise until the cycling stops. Shurflo recommends one quarter turn increments. If you turn too far, the pump will not shut off even with the shower off. If this happens, just turn the screw slightly counterclockwise until the pump stops.<\/li>\n<\/ol>\n\n\n\n