Search results

  1. K

    Shutoff Valve Location

    Replacing the supply line to a water heater and contemplating the water heater shutoff valve placement. I was thinking about installing the ball valve (https://www.supplyhouse.com/Watts-88005688-LFFBV-3C-M1-3-4-Full-Port-Threaded-Ball-Valve-Lead-Free) directly to the water heater to avoid extra...
  2. K

    Bend Support for 1" PEX

    Good find. Uponor seems to always be changing documentation even when the product stays the same.
  3. K

    Another Double Vanity Question

    agreed on the one hole piece but this is already bored out at 15” which is really low. To stub out higher I would be boring another hole in each stud.
  4. K

    Another Double Vanity Question

    I'm in the process of converting a single to double vanity. My initial plan was to use a double santee (with cleanout above!) but am realizing the existing bored holes/notches are quite low (~15") and I am planning to install a floating vanity. This is not a load bearing wall but still it...
  5. K

    Double Vanity Supply

    That makes sense. I'm going to run up through the floor on that side to avoid frost.
  6. K

    Double Vanity Supply

    I'm renovating a bathroom (down to the studs) and planning my supplies for a double vanity. I have crawlspace access below, live in a climate with freezing (not brutal) winters, and one half of the vanity will be on an exterior wall. I’ll be plumbing drain vent for each out of the wall. My...
  7. K

    Pressure Loss Calculation

    Thanks Wayne - I've been starring at too many tables for too long. That appears to put 1/2 at final velocity ~42 psi +/- 5 and 3/4 at 48.2 +/- 5. My guess is no, but will that be a noticeable difference when running two shower heads on a 1/2 valve?
  8. K

    Pressure Loss Calculation

    Shoot - here is the correct link https://us.v-cdn.net/5021738/uploads/FileUpload/70/d215f960a1b9a3ad6208c62fc26891.pdf. Am I misreading the table? for 1/2... 4 gpm is 4.29 PSI /100 feet @ 120F.I have a 40 ft run so 6.59 *.4 = 2.64. Side note - based on this calculator I could in theory draw up...
  9. K

    Pressure Loss Calculation

    I've uploaded an image with details on each section. I estimated ~8 PSI loss up to the manifold then my optionality. I redid the calculations with uponor chart for 120 degreee (https://www.uponorengineering.com/~...ressure loss charts.ashx?version=062520180400) and got these numbers. Using 4gpm...
  10. K

    Pressure Loss Calculation

    In the midst of determining 3/4 vs 1/2 for a two shower head situation where both would be on at the same time and assuming the higher limits of the permitted flow (2.5 GPM each). This will be a home run from a manifold. There are small things such as the shower line that are not accounted for...
  11. K

    Any benefit upsizing from meter?

    Thanks all, I'm going to spend the few extra bucks to upsize.
  12. K

    Code Interpretation

    Goes perfect with out dry vent every fixture... :)
  13. K

    Any benefit upsizing from meter?

    I have 3/4 supply from the city and will be running it ~60 ft from the meter to my manifold (3/4 or 1" inlet TBD). PEX is inexpensive and upsizing from 3/4 to 1 is negligible but is there any benefit to going larger for that 60 ft run if I don't have any plans to upsize the city supply any time...
  14. K

    Code Interpretation

    All good. I spoke with the inspector and they said 1/2 was fine as long as it was the only fixture on the line, the 3 connections to 1/2" would not fly in this scenerio but 1/2 home run was fine.
  15. K

    PEX Manifold Noise

    Can anyone speak to the noise level with a pex manifold? I am considering mounting it on the wall of the mechanical room that has a bedroom on the other side but considered the noise would be a disturbance. Supposedly pex is quieter than copper counterparts. I can certainly add some insulation...
  16. K

    Full Bath Plumbing Replacement - Sanity Check

    Hoping to sanity check my design and get recommendation on potentially better fittings to declutter a few of my connections. I'm doing a full bath renovation and plan to replace the existing cast iron (~75yr old) in this wing; the rest of the cast iron was replaced years ago. -This is located...
  17. K

    Code Interpretation

    I'd like to make sure I am interpretting this correctly before chatting with the inspector. I'm replacing a bunch of old galvenized with PEX and planned to do a homerun system for a variety of reasons. I had a few questions. 1) Does the below (120-8-2-2) just mean the stub out needs to be...
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