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 > Your search for posts made by 'Ex-Tech' found 5 matches.

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RE: Roof Air Blows Warm When Moving

Hi, Chris! It has been a while. The first thing I asked is if he installed it backwards and he did not. Only thing I can guess is outside air is entering from somewhere. The local shop tried to tell him that he had bought a park model roof air rather than a RV model and that park models aren't made to be run while moving and the problem is the vibration causes bubbles in the refrigerant oil. I told him to run away from that shop. Wish I was closer to help hm.
Ex-Tech 07/14/17 09:42pm Tech Issues
Roof Air Blows Warm When Moving

Never saw this issue before. My friend has a Duo Therm roof air on his ice cream truck. When parked, it works fine but when he drives, it starts blowing hot air within a few blocks. Any ideas what would cause this? I'm thinking he may have installed it improperly and outside hot air is being introduced into the cool air stream out of the evaporator coil. He is in Lake Havasu at around 110 degrees outside.
Ex-Tech 07/13/17 08:48pm Tech Issues
RE: Water Heater Check Valve

Check valve serves one purpose..replace the cost/installation of another shutoff valve. Check valves are installed by RV MFG....not by water heater mfg. Check valve in WH hot out is to prevent backflow into WH when WH is bypassed. Check valve i WH cold is to prevent Hot backflow into cold system....which really is minimal w/o that check valve and only when system is stagnant (no flow). As soon as there is flow (hot or cold)---end of ANY hot into cold. If you 'winterize' using anti-freeze then it will get into WH So replace check valve (better quality---brass vs that cheap plastic junk) OR be done with it and install a shutoff valve on hot out so it can be closed when WH is bypassed. This correct. It is NOT a safety device nor does it keep cold water from entering the hot side of the water heater.
Ex-Tech 11/13/16 04:40am Tech Issues
RIP, Arnold Palmer.

Was one of my father's favorites.
Ex-Tech 09/25/16 08:15pm Around the Campfire
Weber Q Pizza Oven

Ex-Tech 08/25/16 06:33pm Camp Cooks and Connoisseurs
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