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Question DetailsAsked on 11/26/2016

HELP!What is the cost to replace a pitless adapter? I can't pull it out. I'm in Campton Hills Illinois.

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1 Answer


The pitless adapter almost always has a press-fit O-ring fitting, so commonly takes a good bit of prying to get it out - IF a press-fit rather than threaded type - both are common. I assume yours is a two-faced one - mounting bolts from both sides, and inner part fits into the outer with a sealing O-ring. There are also single-faced ones where the mounting bolts come in from one side only (the outside from my experience) designed for use where the well casing is exposed in a well pit or such to get at the outside easily - on these you have to unbolt from the outside before you can remove the inner part - also used on small-diameter wells where the adapter is fairly deep so one cannot get down deep enough inside to handle it, so you tie a rope or cable around the inside part, then upbolt on the outside and remove that part, then push the inner part free of the well casing and lift it up with the rope along with the pump riser pipe or tubing.

If just a matter of popping the inside-well fitting out (without dropping it down the well) after undoing the mounting bolts typically $100-200 depending on depth and local labor costs, ASSUMING there is working room in the well. If in a deep frost zone and a small diameter casing, sometimes you have no choice but to dig down outside the casing to undo the fitting and remove the entire ptiless adapter - inside and outside parts - to do any work on it. Ditto if it needs replacing in entirety. This can run more like $200 - 500 depending on depth you have to dig (up to 8-10 feet in high elevation and upper-tier states, commonly around 4-6 feet in other areas with "winters" - about 42" in your area so pitless adapter is probably 4-5 feet down to account for the greater frost depth around a well due to the steel casing acting as a radiator). The pitless adapter itself commonly runs an additional $100-300 (contractor billout rate, $60-150 store cost) depending on whether brass or stainless steel, and on riser line diameter.

Note this does NOT include the all to common situation where the pitless adapter was put in, then the casing was surface concreted to provide a runoff cap or a well platform, the surface casing was concreted in, or was grouted - so one has to either dig down NEXT to a surface concrete ring and then get in under it to get to the adapter, or dig down to its level and then chisel out the concrete or grout to expose the adapter - cases like that can commonly exceed $1000 total replacement cost.

Wells and Pumps would be the normal Search the List category for a contractor to do this - in rural areas with pretty much everyone on wells some Plumbers do it also.

Answered 3 years ago by LCD

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