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Question DetailsAsked on 10/4/2017

How much should it cost to replace a well bladder and pump. Were quoted costs of $1700(pump) 2100(bladder)

well is 18 years old, recently tested +for chloroform bacteria, then pump went up after chlorination

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Depends of course on your local costs (can vary 50% or more easily between deep South rural and northern major urban area for instance), type of pump and air tank (the bladder is inside a sealed air tank - VERY few if any models still around where the bladder can be replaced by itself without replacing the tank) - and of course the flow capacity of the pump system and depth of the well.


The bladder tank - can run from as low as around $50 to a few hundred $ for a small tank, typically about $150-400 for the labor to install it depending on condition of the piping conditions (easily changed out or totally rusted makes an hour or two difference, and if large tank may take 2 men to move it in. But if you need say a 90 gallon tank (size is very roughly proportional to the water pressure it has to handle and alsdo related to length of piping run to house, so commonly 10-20 gallon will work for a well at same elevation and right near the house, with larger/higher pressure ones for high flow capacity or where the pump is pumping up quite a hill to the house can run to typically 70-120 gallons). A roughly 90 gallon XTrol 150 psi rated tank for instance is close to $1000 retail - so in that case around $1250 - 1700 would be the range I would expect to see for installed cost except in really nasty access cases.


The pump - for that price almost certainly a deep well submersible or high-capacity (say 100 gpm or more) surface-mounted 220V pump. For "normal" say up to 50-70' or less range depth well with 20-22 gpm submersible pump would commonly run about $500 for a 1HP pump to more like $1000 range for a 2 HP submersible pump - plus $500-1000 installation so the $1700 sounds in the range to me for that - ASSUMING normal depth range well. A smaller pump with maybe 10 gpm capacity I would expect to run more in the $1000 range - ASSUMING a flex tubing or quick-disconnect pitless adapter or such - not a rigid metal riser pipe, which takes longer to pull and commonly requires a boom truck or drill rig to pull/reinstall the pump, as opposed to a light winch or hand-pulling. Ditto for a surface pump like a centrifugal or jet pump - those commonly run under $1000 replacement cost.


For that $ amount I would get at least one other responsive bid from a Well and Pump contractor (your Search the List category to find well-rated and reviewed vendors for this type of job) - which should help determine (assuming you go with equal quality equipment) whether that bid is in the fair range or not - but while it sounds somewhat high overall to me offhand, certainly does not sound like a "ripoff" price and could well be reasonable if getting the tank into place will be tough, piping is all rusted so some wellhouse piping will need replacement, or pump is over about 50-70 feet deep (which generally is about the limit for hand-pulling) oris high capacity or has a rigid riser pipe.


My recommendation - full stainless steel on the pump if submersible, new foot valve below the pump unless pump comes with it attached or yours is quite new (about $100 extra but could well avoid having to pull the pump again in a year or few because it has corroded up and stuck open). On the air tank I like Amtrol X-Trol and Flotec brands - seem to last decades rather than less than a decade for some other brands. Watts and Bell & Gossett also make good tanks but I don't think they go over about 10-20 gallon capacity but not sure - Amtrol is "the brand" in our area for both professional supply houses and box stores.

Answered 1 year ago by LCD




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