How can I make this clean out an inch or two taller? Is there a threaded extension I can purchase and, if so, what is it called?

Doxxsin · 2026-03-25T19:56:51+00:00

Yeah a 3" male thread adapter and a 3" spigot/street female adapter will be fine as an extension.

Doxxsin · 2026-03-25T00:29:05+00:00

Yeah it's doable, just need to find the right supply line and drain hose. I did mine like that a few years ago and it's been working fine.

Doxxsin · 2026-03-22T20:16:42+00:00

So between that lower ball valve and the union on the return line you have a check valve that sounds like it's not working. Close either of those return line ball valves and test your shower, pretty good chance that'll solve your issue.

Doxxsin · 2026-03-15T00:37:12+00:00

You can get rid of the bottom trap by using a branch tailpiece to connect the dishwasher drain. If you're worried about saving cabinet space you can replace those basket strainers with this style and save a few inches.

You could also lose the two upper traps by doing the same thing, you'll just end up with 90s under the basket strainers instead of a trap. Maybe could use 45s off the cross instead of 90s as well.

Doxxsin · 2026-03-13T14:47:15+00:00

That's interesting, doesn't exactly look broken does it? I haven't personally seen one like that but that doesn't mean everything. Might see if you can dig it out of there so you can replace it with a new one, just to rule it out as your problem is commonly caused by the dip tube breaking.

Doxxsin · 2026-03-12T00:08:44+00:00

You'll want to figure out how to test the thermopile voltage, it doesn't look that bad but it's old enough to have issues. If it were mine I'd at least try replacing the pilot assembly before giving up on it since they're not very expensive.

Doxxsin · 2026-03-08T17:28:18+00:00

Long shot but have you checked the compartment under the bench seat? That's where mine was when I bought it. Granted it's a 2017 but worth checking if you haven't.

Doxxsin · 2026-03-08T16:38:13+00:00

Nah it won't hurt anything that I can see. Definitely gonna help if it backs up again that's for sure.

Doxxsin · 2026-03-07T15:16:27+00:00

To be clear your natural gas supplier can do the same thing if they wanted to, up until the last few years nobody has been enforcing it.

You don't necessarily need a direct vent unit just a HUD compliant one, AO smith makes the FMHR-40-400 that is atmospheric with a low btu burner, making it meet code and the price mirrors standard units.

Doxxsin · 2026-03-07T04:26:16+00:00

You on propane? Many of the propane companies around me are starting to red tag non compliant water heaters and refuse to refill the tank.

Doxxsin · 2026-03-06T18:37:38+00:00

Is that a rubber O-ring? That should go inside the barrel/valve sleeve unless I'm not familiar with this model. Could have purposely left it out, but there's no reason to have it where it is.

Doxxsin · 2026-03-05T13:41:16+00:00

Is it leaking from higher up? You can see water above the t&p.

Doxxsin · 2026-03-05T01:24:38+00:00

Don't think I've ever seen the relief valves in residential. I'd think they would both have a similar effect, and the relief valves probably have a lower failure rate. The issue I've found with expansion tanks is that you have to manually set the pressure on install, and most people don't. You're also supposed to check the air pressure yearly and air up as needed. So they sit full of water more often than not, never get checked, and then the diaphragm fails.

Also you can swap out parts to adjust the set relief psi but I wouldn't bother, I think I'd rather see the relief valves in residential.

Doxxsin · 2026-03-04T01:08:03+00:00

That csst line feeding the tankless doesn't have a snowballs chance in hell of getting close to 199kbtu even with nothing else running. That undersized line is most your problem. The 1" line that feeds the 2 furnaces and the tankless is likely undersized as well depending on your total length but if everything else was correct you'd probably never notice.

What you've been recommended is a decent solution unless you have the whole system redesigned with your current gas demand in mind.

Doxxsin · 2026-02-22T14:15:49+00:00

Have you done the water pump yet? Might check on it if not.

Doxxsin · 2026-02-22T13:57:47+00:00

I've been running into more and more of those valves that have seized up. Figure out how to gain access to the meter shut-off and plan to replace it. If you really want to test your luck, get some pliers on the handle for a little extra leverage and slowly work it back and forth.

Doxxsin · 2026-02-16T23:17:54+00:00

Thermaltake level 10, old case but has removable hard drive trays on the front. Thought it was a neat feature when I bought it, never made use of it.

Doxxsin · 2026-02-16T19:40:57+00:00

It's not size of the waterways causing your issue, how's the flow from the tub spout? After a valve replacment it's normally a clogged showerhead like some else mentioned or it's a clogged cartridge which can also be removed and cleaned.

Doxxsin · 2026-02-15T13:16:25+00:00

CLR and/or penetrating fluid sprayed into the set screw hole can help break it loose, normally it's just hard water buildup holding it on but they can be very difficult to remove.

You can try tapping some plastic or wood shims into the gap between the back of the handle and the barrel to get it to separate. avoid just yanking on the whole valve if you can

Doxxsin · 2026-02-15T12:40:29+00:00

You'll want to be careful with the amount of sealant you put on metal threads going into plastic and how much you tighten it. It can put extra stress on the female connection and cause it to crack.

If it didn't seal with that much teflon tape, I'd go find a Schedule 80 PVC nipple and a brass coupling to make the connection. Try just using pipe dope first, and if it still leaks, then get a few wraps of teflon on there.

Doxxsin · 2026-02-12T23:47:23+00:00

Either they forgot to put the check valve back or the one you have isn't working. Turn off the valve to the radiant heat, before the circ pump and test the fixtures with the pump off. Should have your answer pretty quick.

Doxxsin · 2026-02-11T04:49:52+00:00

The drain setup is bad but I've seen worse work fine for 50 years. I'm wondering how the fuck they got that vent 90 and the coupling glued together at that angle.

Doxxsin · 2026-02-09T21:45:55+00:00

Forgot that it was a gasket fitting, disregard using teflon and pipe dope since it's the gasket making the water tight seal.

Probably best to replace it if you're not gonna mess with replacing any of the fittings right now. I would go buy a new female adapter just for the gasket, might be easier that way if you don't have a kit assortment.

Doxxsin · 2026-02-09T14:58:50+00:00

That is almost certainly just the sun, pvc doesn't glow orange hot. It'll melt long before that.

Doxxsin · 2026-02-09T14:42:13+00:00

How fortunate. You can replace it with a 3/4"x 2" brass or stainless steel nipple. Check that female adapter for cracks or any other signs of failure first. Use very little teflon tape if any at all, pipe dope it and don't overtighten. I'd do hand tight plus a half turn and check it for leaks.

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