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HVAC, Air Conditioners, Aqua Hot, Primus, Webasto, Chassis Heaters, Furnaces and Water Heaters Questions and information about the wide variety of Heating and Air Conditioning as well as Water Heater systems available are discussed here.

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  #1  
Old 12-29-2016
turnkey turnkey is offline
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Default Aquahot pex fittings?

My Aquahot has a couple of fittings that drip. They are at the top where the coolant lines connect to the Aquahot. They won't tighten up anymore. The ferrules aren't seating.
Is that pex lines and fitting on there? Do I need to cut back about 6 inches and connect a new piece of line and fitting?
Seems like I've seen this discussed before. But my search hasn't found it. Seems like you have to have a special tool to work with this stuff also. So, is there another or better way to fix this?
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Old 12-29-2016
Rick Davis Rick Davis is offline
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Maybe you could use Sharkbite fittings to eliminate the need for PEX crimpers.
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Old 12-29-2016
turnkey turnkey is offline
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I'll look at the Sharkbite fittings. Do you use the Sharkbite for the splice and then pex ferrule and nut fitting on the connection to the Aquahot. I guess that would only make since. I thought about going all the way back to the next connection at the elbow but that is a crimped connection. I just don't want to have to revisit the problem anytime soon after the repair. Has anyone done this job recently?
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Old 12-30-2016
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NoGas NoGas is offline
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Getting ready to add electric water heater like several others have done. Will use Flair-It fittings (like this: https://www.amazon.com/dp/B00IRUNEN0..._23EzybKYB2PY4) to tap into hot/cold Pex lines. Flair-It fittings available iinclude valves, couplings, elbows and pipe thread adapters that work perfectly with Pex pipe. Use teflon tape for threaded connections. Pex and Sharkbite pipe diameters are not necessarily the same diameter. Use standard flex sprinkler pipe cutter to trim existing pipe ends and clean them up before adding new fitting.
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Old 12-30-2016
turnkey turnkey is offline
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Thanks Rick and Van. I'll check out both products. Nice to have choices. Or maybe not.
Is the plastic pipe that BB used pex? Is it a standard size plastic pipe. Looks like 5/8" maybe. I don't have enough length to just trim the end and put on a new fitting. So I'll have to cut back several inches and add an extension. I hate to cut the pipe before I know which one will fit. I'm a long way from a store or source. Thanks for your help with this.
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