In our new house, when the finished basement bath toilet wouldn't flush Icalled the plumber that installed it with a sewege pump. He couldn't figure it out so he just put a larger studor vent on the toilet vent. This didn't work so I requested install instructions of the pump from LITTLE GIANT. From the literature I didcovered the plumber installed wrong ( instructions say Don't install checkvalve in vertical position). This pipe with the dheckvalve is coming from the pump in the ground up 11 feet into ceiling. To fix things he plans to put checkvalve horizontal then go 90 degrees up then 5 feet later go two 45's back into the original pipe. Is this OK. So many turns and all with sewege involved, will this cause slowing or cleanout problems. This plumber has been back to our house 8 times in the last 6 months to fix leaks, etc. this is a six month old house and I feel that he is an idiot and have to check after him.

I think you need a new plumber. Double check your Little Giant lierature, every check valve I have ever installed had to be verticle.

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Originally Posted by ballengerb1

I think you need a new plumber. Double check your Little Giant lierature, every check valve I have ever installed had to be verticle.

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The literature says when handling solids, install horizontal because solids may settle in valve and prevent opening on startup. This makes sense. I still need answers to my original question thanks.

The more elbows, the more chances to clog. ALL of the elbows should be the longer radius drain elbows and two 45's are better than a 90. If the pump requires heavier pipe than the usual DVW, you can still buy long radius sweep elbows.

And the inspector is his brother in law?

The old swing checks work just fine horizontal if installed right side up. Not so well where the fluid is flowing down a pipe.

Thanks, he just left after installing a 90 out of the pump, the check valve (now horizontal), another 90 going up , 6 feet up a 45 , 2 ft. of straight pipe then another 45 which connects back into the original vertical pipe going into the ceiling than 1 ft. up another 45 going through the concrete block wall of basement into crawlspace where it ties into the main sewer line leaving the house. He is accually the builder's brother and our inspector did not do his job during the whole build. I went above him to his supervisor because of heavy flooding during rain. Work was ordered to stop for 6 weeks. While an engineer ordered the builder to remove all brick above all 54 windows to reistall the flashing correctly. It was installed backwards, shingled into house. But that's another story among others.
Does his install sound OK?

I meant a 90 going through the block wall. Sorry.

Look at the elbows and decide if they make a sharp turn. Better yet, post a picture.

I had a similar problem in Florida and wrote a 'punch list' for the builder to repair. After much time and effort I went to the state to get help. They told me, after a very lengthy review, that the state will not pursue a punch list and refused to return any of my 'evidence' or paper work. Do not 'write' any lists. Dictate to him any requests.
If you can afford it, see about calling in professional and qualified persons or companies to check and make perfect the whole house and make the builder pay for it.
At this point I would not get advice from anyone not standing in front of me that is not licensed, insured, and has shown a strong propensity for quality work. Bottom line, have someone come look at it.

... this plumber has been back to our house 8 times in the last 6 months to fix leaks, etc. this is a six month old house and I feel that he is an idiot and have to check after him...
Ps... a pump that will not open a vertical check valve is too weak to be trusted.