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Marathon & Grohe
Does anyone know the part number or source of the replacement mixing valve cartridge for the Grohe shower valve that Marathon uses in their 2003-era coaches? I have very hot water at all the water sources in my bus except the shower so that fixture must be the culprit. Thanks in advance for the help.
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5 Replies
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Marathon is very good at bundling all of the parts information and tech sheets into a file box from coach build date.
Should be on board your coach.
AL
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Pull the cartride, take pictures and call Glen at:
Plumbing Parts Plus
7637 W Beloit Rd
Milwaukee, WI 53219
414-321-8570
The Grohe lavatory faucets in our Liberty were leaking. I called Glen and asked if he had Grohe parts and he said he did. I told him it was an hour trip one way, he said, “don’t worry, I should have them”. I gave the bad cartridge to him and he had two on the counter in a couple of minutes. If Glen doesn’t have them, I suspect he knows who does.
After replacing mine, I got to wondering why they leaked. Calcium or lime build up? I wondered. Maybe if I would have soaked the old cartridges in Lime-Away or ALC (or whatever its called at the hardware store) or white vinegar I could have “saved them”. You might have the same problem. Just an idea that might only waste your time. No charge.
Good luck!
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TG – I think I have the literature for my 04 maybe the same. On mine, you have to pull the refrigerator to replace the fixture.
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Thank you guys. I did not even think to look in all the product literature that came with the coach. It would appear I can pull the cartridge from the shower side and hopefully not replace the entire mixing valve. Maybe this will be as simple as cleaning it. I will let you all know this weekend.
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In my coach the Grohe shower valve is model # 34.346.
the replacement cartridge is part # 47111000 and total cost shipped is about $90 from Grohe
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