Where to Install a Valterra Check Valve for RV Fresh Water Systems on a RV Water Heater

Question

Question:

Should the check valve be installed in both the cold inlet and the hot outlet of my water heater?

asked by: John H

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Expert Reply:

You should only need the Valterra Check Valve for RV Fresh Water Systems # P23415LFVP at the cold inlet of your water heater. Typically you will have a total of three fresh water check valves; one at the cold inlet to the water heater, one at the city water inlet and one located at the outlet of the water pump.

expert reply by: Scott S

0

Answer 1

The best option we have for you is to use the Valterra Check Valve part #P23415LFVP and then go to a local hardware store to look for a 1/2" to 5/8" adapter as we do not carry a check valve with both 1/2" MPT and 5/8" MPT…

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Answer 2

The water leaking is normal its your overflow which means that your fresh tank is now full. If you install a valve on the overflow then it needs to be open when filling and when using or else the tank could explode. It could also be that your check…

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Answer 3

The Dexstar Steel Mini Mod Trailer Wheel - 16" x 6" Rim - 8 on 6-1/2 - Black #AM20761B have a maximum air pressure rating of 110 psi and a weight capacity of 3750-lbs.

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Answer 4

Hey Mike, great question! I reached out to Dometic and they said the Dometic Soft Start for FreshJet Mechanical Air Conditioners #DMC87RR is also compatible with the FreshJet 5. You can use this to add a soft start to your new AC unit. Any big trips…

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Answer 5

The trailer tire manufacturers we work with all have recommended the information you have seen given in our online answers. The max PSI from most manufacturers the listed capacity at the highest load capacity rating of the ST tire. There are charts…

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Answer 6

The Dometic model B59516 is showing up as a Brisk II 15K BTU unit so the only thing you'll need to check is what style connector your current unit has. If you remove the cover for the air distribution box inside the trailer you should see the…

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Answer 7

Hello Dan, thanks for reaching out. You asked a good question so I went out to our warehouse and got my hands on the B&B RV Fresh Water Fill Diverter Valve and Plate Assembly #BM35RR. The threaded fittings are not bonded together, and I was…

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Answer 8

Fresh water check valves are typically 1/2" NPT fittings, but I wouldn't know if you'd need a female or male connector without actually taking your city water inlet apart. If you remove your city water inlet from the wall of the trailer…

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Answer 9

Hi Tony, From what I saw your Holiday Rambler has a city water connection which is standard; it isn't always noticeable right away and might be separated from the gravity fill but it's there for sure. I couldn't find a photo but it seems…

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Answer 10

Brass fittings like the #P23415LFVP can be difficult to remove. Especially if there was thread locker or thread tape used. It's hard to say how much force you'd need but you might try heating up the fitting to release any thread locker.

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Answer 11

Check valves can fail due to ice in the winter or debris in warmer months, or simple wear at any time. I think if it were me I would try to warm the check valve with a heat source like a heat gun, being careful not to melt the plastic around it. At…

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Answer 12

Antifreeze leaking into the water heater could be remotely caused by a bad check valve, however, this would all depend on the location of the check valve. Generally speaking, there are only 2 check valves installed in the plumbing system for an RV.…

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