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I have a sump in the basement with a pedestal style pump in it that works a lot when it rains hard, it does not have a check valve on it. What are the consequences of not having a check valve on the pump and is it installed right at the base of the pump before the rest of the discharge piping...

you are right john, you have helped me before and your info is much more detailed. thank you again

I assume the short brass nipple would go between the curb stop and the 1/2 in. side of the coupling in the picture?

I don't have a digital camera to take the pictures plus I wouldn't know how to do it. I know it is difficult without a few pics. My neighbour seems to think I need a 3/4 in. compression x 1/2 in. n.p.t. Mueller type fitting. Is there any type fitting?

I just replaced a 1/2 in. galv. waterline with 3/4 in. pex but am not sure how to hook it up to the 1/2 in. curb stop.What fitting do I need as I already have a insert stiffener for the pipe, and if somebody could post a pic of the fitting if they have one, it woul be greatly appreciated. ps...

When you disassemble a union on black steel pipe to change out a gas water heater do you use anything on the two metal surfaces of the union to seal it or is it better without any sealant or oil on it when you reassemble the union.

Has anybody used these products for water or gas and do you have an opinion on if one may be better than the other and any pros or cons you may have experienced.

Thank you johnjh20, your reply is greatly appreciated.

I am replacing my waterline fromthe steet to the house with 1" high density polyethelene. My question is when I enter the building how do I transition from 1" poly to 3/4" pex that I am using for main trunk line .What type of fittings do I need because I heard that on the poly side that I have...

Are both the copper and stainless steel rings suitable to use on a 1/2 inch pex cold water line that is going to be concealed in a wall.

I am replacing a 1/2" copper line with pex in a wall,is it ok to use s/s cinch clamps on the fitting instead of copper crimp rings ? Also why do hot water tank mfgs. use galv. nipples instead of brass nipples on their tanks,and is it a good idea to switch the galv.nipples to brass before you...