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Question DetailsAsked on 1/26/2018

hvl
how much to replace 3things: Pressure reducing valve with ball valve T&P valveand expansion tank on water heater

reference plumbing, need to replace 3 things:
Pressure reducing valve
T & P valve
expansion tank on water heater

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You listed PRV, T&P valve, expansion tank - did not say where you want the ball valve put in, but I am going to assume either as a main shutoff valve right "before" and right next to the PRV, or on the cold water feed line to the water heater to allow isolating it.


Hate to say it but sounds like you are going with the shotgun approach - replacing/ installing a bunch of things with really tracking down the cause of your problem, whatever it is - but the linked questions and answers might help you with that, and you can find a LOT of water heater questions with answers in the Home > Plumbing link under Browse Projects, at lower left.


And if you have excessive water pressure or an existing PRV or are committed to putting in a new PRV, then an expansion tank is required in many areas, and recommended anyway with any sort of backflow prevention device like that between the water heater and the incoming line - so those two items are the pricier portions of the job - shutoff valve and T&P valve probably will not add $100 to the total job cost if done at same time.


Total job cost - see the questions with answers, but I would be thinking $500 ballpark and then be happy if the total job comes in at the $300-400 range I would expect it to run in our area (around 1-1/2 to 2 hours work). That price assumes piping in decent condition and normal type pipe - plastic, PEX, galvanized, copper - not ductile or cast iron (rare in water service) or brass, which could crank the cost up. As would pipe in poor condition which has to be replaced adjacent to the installation location because working on it will destroy it or cause leaks.


Here are a bunch of previous similar questions with answers on the PRV and expansion tank - if the ball valve is going at the PRV valve only added cost for that would be the valve itself (maybe $25 range for a good one suitable for main shutoff valve use). T&P valve is, assuming not badly rusted in place, only about a 5 minute job to replace and about another $20-30.


http://answers.angieslist.com/What-re...


http://answers.angieslist.com/cost-in...


http://answers.angieslist.com/350-lab...


http://answers.angieslist.com/when-in...

Answered 9 months ago by LCD




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