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Does anyone have an idea why the DHW does not seem to sense a call for heat on the TT Challenger? I don't see that there are many installed as the Prestige is a more popular model so I have not seen much posted about problem solving for this unit. I have been using just the hot water loop on...

You don't need primary/secondary. It is the way most systems are plumbed in the U.S. Your photo is a bit difficult to interpret. It appears that the pump etc. are out of the photo below the boiler. If you have multiple zones, a differential pressure by-pass valve is recommended. I believe that...

Hey, that is a good idea to run the 3" against the wall and running 45 at the toilet bend instead of jogging it over. I didn't think I could wet vent the toilet. Yet is seems to be common practice. I might call my inspector and ask. He has really been helpful. Thanks...

Yes, thanks, I see several connections that look like santees. I know they are illegal used horizontally from the plumbing guide. I took all those that I bought back and purchased wyes. Substituting wyes is not difficult, just require an additional bend in most cases. The problem that I'm...

I have been mulling over the discrepancies in the information that I have. The requirement to have no fixtures enter the drain except downstream of the vent must be a UPC requirement, I can't find it anywhere in the 2009 IPC. Bert Polk's Plumbing Guide clearly states in the Toilet Rough In...

It appears I can eliminate the "cosmetic" toilet vent?

Here is the photo of the bathroom pipe being laid out. Not glued yet. The sewer pipe takes a jog back to the vent pipe. so there are two 45's in between the toilet and the vent. I am planning to cut the pipe to place the sink between the toilet and the vent. I thought I also had to vent the...

Thanks for helping me out. The initial drawing may have been from a 30's book, but I'm trying to follow 2009 IPC, so I altered the drawing using cut and paste. Is the tub not vented because the vent is connected to the main sewer instead of the trap? (as in Terry's post?) Have I fixed that...

The tub in my picture is after the vent, right? How would I reproduce that 2 story drawing for a horizontal 1 story slab drain? Should the vent be directly over the trap? (I mean behind it since it can't be directly over the tub drain!)

Ha ha, yeah, no water, no drains. Just want to get enough water for the drain inspection and will reinstall the pressure tank etc after a new slab is poured. It is a 2 wire pump, 240 volt. So I'm going to try direct wiring it to the circuit breaker box and use that as a switch. If the pump...

Well, I borrowed some books from the library (online digital books) and figured out the solution to the sink between the toilet and vent problem. Just put in another vent! I had the extra pipe in there to keep from having the sink between the toilet and the vent but luckily I saw an image that...

Can a deep well pump be wired to turn on directly? We are remodeling and took out the pressure tank. Tried to wire the pump back up with original pressure switch taken off the tank but the pump does not turn on, at least no water flows. The outside freeze proof hydrant has not worked since we...

Sorry the photos are confusing. They show the old pipe layouts so that the differences are noted. Here is the floorplan with the size pipes and layouts for the whole house. The only plumbing not being redone is the bathroom in the back between the two bedrooms, that was ABS and is connected to...

All the documentation I have read says that 1/2 inch pex running with a correctly sized pump for the pressure loss over the distance can be up to 300' in length. (330 actually, but limited to 300 on the conservative side.) Why would you limit the length to 130'? Sounds like this install did not...

Hi, I'm thinking of changing the direction of the drain pipes in the master bath area of our house remodel. We had to replace the slab on grade in this house because it was severely cracked due to expanding soils. We are replacing all the old cast iron with PVC. The lower portion of the...

Thanks for your answer. The 12" below slab is one of those things I could swear that I read in the code, but can't find again. I searched for the statement that I thought I read and can only find some rules about trenching and filling in with clean dirt. Asbestos pipe requires a 12" deep trench...

My question must have been too involved. I am going to replace all the pipe now. I spoke with the plumbing inspector and he gave me the go-ahead to replace all the pipe at the current depth. He said even if the code now says 12" below slab, it is not something they require when replacing...

Remodeling a house in Colorado in expansive soil. Had to remove the slab on grade due to heaving. Will replace with a waffle mat slab. Seems like a great, proven solution to the issue. The foundation is caisson and is in great condition, the issue was the floating slab poured directly on the...

I just found a long list of codes, including 2009 IPC here. Found this through Wikipedia not through a Google search.

Well, I don't have that much toilet removal experience, but almost every one I've removed had rusted bolts with no noticeable leakage at the seal. I've always used the "extra thick" wax rings and put them on the flange, even handymen can read instructions on the box! Double nuts and washers...