pressure

  1. TheOverThinker

    11 units of apartments -- cold feed flowing through two 100 gallon tanks in 1" copper?

    I'm reactivating a 1980's era solar thermal system that's been out of service for about 15-20 years. It's all working now, but I have a concern. The potable water solar loop has two 100 gallon tanks. The tank hot goes via 1" pipe to meet the 2" cold feed to the 120 gallon commercial gas water...
  2. theant

    Super low sink pressure when washer or toilets run

    Background: house built in 1986, well water, pressure tank. I do all the plumbing, but we only bought the house a couple years ago, so problems may or may not be my fault :) Water pressure in our sinks is normally really good. It's great in the showers. But when the washing machine is...
  3. Nay

    Low water pressure after remodel

    Hello. I had to change my entire shower and I put a shutoff valve on the cold and hot water lines. They stayed off (and uncapped- I only recently learned about caps) for just over 2 months. The line goes bathroom sink-> shower-> kitchen sink. Ever since I put the shut off valves on, the water...
  4. lukasny

    Dropping water pressure after neutralize refill

    My water pressure started to act up right after company added neutralizer. When I turn on water it will go almost normally but within seconds starts to drop pressure. I can't use sink and shower at the same time. When I bypass softener pressure is constant and strong. Any ideas what is...
  5. Evan K

    Increase City Water PSI

    Hello All I've recently done a whole bathroom renovation and installed 6 body sprays. In order to get 2gpm out of each head they require 80 psi. The good people at Moen failed to mention that when i had them help me pick out the pieces for my bathroom remodel. I have about 60 psi with...
  6. Wendell G Boyd

    Commercial plumbing

    I’m doing a job that requires 8 new commercial motion sensor toilets and 8 motion faucets. The pressure from main water line coming to the building is around 45psi to 50psi. I am to run 1” water lines for max pressure. I feel I may need more pressure running these commercial toilets. A pressure...
  7. Kevin Boggs

    Basement Sink Additions

    Evening gentlemen and ladies. I recently added a utility sink, on the unfinished side of our basement, and just finished adding a bar sink, on the finished side. The house is newer construction and uses CPVC for all the supply lines. I branched off the 3/4 inch going to and coming from the hot...
  8. ari

    Splitting and merging supply lines

    Hi, first off, I'd like to thank this forum for all the plumbing advice I've read as a guest. I haven't been able to find an answer to this particular question so I finally joined. I am making a heat exchanger for my shower trap arm. I have a 2" section of copper drain pipe that I want to coil...
  9. Brittmoney91

    Is my well going dry?? Help

    Ok so my husband and I were attempting to fill a pool (about 6000 gallons) we have been filling it slowly on and off over the last week and are at about 5000 gallons in. Yesterday we changed the whole house filter because the water pressure in the house was slowing down. Then started filling...
  10. Evan K

    Pressure Issues/Loop

    I have finished setting up a shower and this is what the plumbing in the wall looks like. The issue I have is a lack of pressure from the banks of body sprays. They should get around 2 gpm per head but instead appear to be getting 1.1 gpm causing very weak sprays. Also the Top sprays appear to...
  11. David Grayson

    Water dispenser faucet

    Hello all I have one of those single hole water dispenser faucets. They all seems to be sold as a replacement faucet for a filtration system. My question is whether they require a pressure reduction or are they strong enough to be installed right off the shut off. In other words, can I just...
  12. icatchlarge

    Pressure flow pipe size question

    Complicated question here but I’ll start: we have a well that feeds our Main house, (over 1 inch line, unsure) then goes to 3/4 in the basement, two filters and a neutralizer, then out running 3/4 line 225 ft winding uphill to a cottage. Pressure issue is up there. a guy dug the whole thing...
  13. ShortPant

    Home Water Pressure vs Flow Issue

    Hello all! First time poster, here. I've searched the forum and couldn't find my situation although I may have missed it. I just moved into a house built in 2011. City Water. During the home inspection, the inspector noticed a reduction in pressure/flow when the water is in use, especially...
  14. Kr8peace

    50-180 PSI in corroded muni water pipe, what is the solution?

    Muni water supply in small CO mountain town is about 50 PSI now, in winter. It will rise to 180 PSI spikes a lot with spring melt and continue until fall when it again slowly diminishes. Installed a pressure reducer to save fixtures. The incoming 3/4 galvanized pipe is also corroded so volume is...
  15. Giovannip

    I have a stupid question about flow rate

    Hey everyone, I have a small plumbing shop in southern CA. Regarding single family detached residence . Municipal city water supply, no well water involved. I keep noticing inch and a quarter pressure regulators installed from the builder, BUT the water meter is only 1 inch. I have also...
  16. Sacman

    Drain question and whole house filter questions

    Need help in figuring out a drain for a water softener that I would like to have a plumber install in a new home being built. I have a loop for a water filter (along with a 20amp electrical) that will be installed. The whole house water filter is a Aquasana (model EQ-AST-WH) that I chose just...
  17. Brian80

    Tankless water pressure questions

    I had a Navien NPE-240A installed a few weeks ago. It replaced an 11 year old 40 gallon storage tank that could not handle peak demand (4 adults, 2 kids all showering in the evening). I was taking lukewarm showers on a regular basis, sometimes even cold showers... It's working well and...
  18. Colin MacKenzie

    Low water pressure on one zone

    4 zones total on a Rainbird system. 2 zones are perfect and my pressure gauge runs at 40psi. 1 zone is not working and no resistance on the solonoid so pretty obvious there. Lastly, zone 2 is releasing some water but very low pressure at a shaky 20psi and can hardly lift a sprinkler head. Pump...
  19. Jerry Watson

    Did I damage the release valve?

    Hi guys, In trying to get the shower working I turned on the water inlet to the boilers, we have 2, in the house. The plumber came out and said I had blown both release valves although there was no flooding of the property. Is it possible to have blown them by opening the inlet and from what...
  20. ohal3000

    Water pressure issues - Copper vs PEX

    Hello. First time posting, I searched for my question and didn't find anything. My house has terrible water pressure. I am on a well. The pressure tank gives good pressure and even the first hose outlet off the main before entering the house is good. But everything after the pipe enters the...
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