[Topspinmo]

For me, I changed out bathroom faucet when I replaced Accor hoses. Now I have to wait even longer for hot water. The new faucet has flow rate of 1.2 GPM which takes for ever to get hot water even close to water heater.

Also the hose connection different size, 1/2” vs 3/8” (not big deal). I could imagine how long it take to get to furthest faucet. Which I timed over 30 seconds with old delta that flow I guessing twice as much (can’t find spec on old one).

So if plan in replacement look at flow rate if you have to wait for hot water.

https://www.homedepot.com/p/Delta-Fo...4mgJEGi4&gQT=1

[Bill14564]

Originally Posted by Topspinmo

For me, I changed out bathroom faucet when I replaced Accor hoses. Now I have to wait even longer for hot water. The new faucet has flow rate of 1.2 GPM which takes for ever to get hot water even close to water heater.

Also the hose connection different size, 1/2” vs 3/8” (not big deal). I could imagine how long it take to get to furthest faucet. Which I timed over 30 seconds with old delta that flow I guessing twice as much (can’t find spec on old one).

So if plan in replacement look at flow rate if you have to wait for hot water.

It might be worth your time to measure the flow to make sure you are actually getting 1.2gpm. Maybe the problem is not in the faucet.

Using some round numbers, 50' of 3/8" pipe would hold a little over 1/2 gallon of water. At 1.2gpm it would take about 30 seconds for tank water to get to the faucet. The first hot water to reach the faucet will be cooled along the way by the cool pipe so it will take a few more seconds before it feels hot. So maybe 45 seconds for water that feels hot from 1.2gpm faucet which is 50' from the hot water heater.

EDIT: Just timed it: 50 seconds at my farthest faucet.

[MarshBendLover]

Did you remove the water restrictors in the connections and especially in the faucet?

My other home has a 123' foot run to the master faucets/bath/shower after the addition. When I ran the pex lines, I made sure to remove as many elbows as possible to increase flow rate and removed restrictors in the faucet/shower lines. Pulling out faucet restrictors was needed on all three faucets and I drilled out the shower restrictor too. This allowed for a 120 second delay of hot water first thing in the morning. Also increasing the temp of the hot water heater helped.

[Topspinmo]

Originally Posted by Bill14564

It might be worth your time to measure the flow to make sure you are actually getting 1.2gpm. Maybe the problem is not in the faucet.

Using some round numbers, 50' of 3/8" pipe would hold a little over 1/2 gallon of water. At 1.2gpm it would take about 30 seconds for tank water to get to the faucet. The first hot water to reach the faucet will be cooled along the way by the cool pipe so it will take a few more seconds before it feels hot. So maybe 45 seconds for water that feels hot from 1.2gpm faucet which is 50' from the hot water heater.

EDIT: Just timed it: 50 seconds at my farthest faucet.

Similar to mine, but, now know front faucet close or over minute. No changes in hose diameter or valve size just delta faucet. I can’t find specs on old delta I removed seems to be twice flow?

[Topspinmo]

Originally Posted by CigarMaster

Did you remove the water restrictors in the connections and especially in the faucet?

My other home has a 123' foot run to the master faucets/bath/shower after the addition. When I ran the pex lines, I made sure to remove as many elbows as possible to increase flow rate and removed restrictors in the faucet/shower lines. Pulling out faucet restrictors was needed on all three faucets and I drilled out the shower restrictor too. This allowed for a 120 second delay of hot water first thing in the morning. Also increasing the temp of the hot water heater helped.

No, I didn’t see any in connectors. I sure the new faucet has restrictions somewhere cause takes Time just to fill my hand cupped to rinse mouth of tooth paste. I’ll try look see if this model can be derestricted?

[Bill14564]

Originally Posted by Topspinmo

Similar to mine, but, now know front faucet close or over minute. No changes in hose diameter or valve size just delta faucet. I can’t find specs on old delta I removed seems to be twice flow?

Mine can fill a one quart measuring cup in 10 seconds which means a 1.5gpm flow rate. (could actually be 1.2gpm but hard to measure that close)

If I read things correctly, there is a US limit of 2.2gpm max @ 60psi but many companies produce the 1.2gpm @ 60psi fixtures to conserve water. (my house was >60psi last I checked so maybe that's why my measurement was closer to 1.5gpm)

So it's possible your last fixture was 2.2gpm and now you are getting a little more than half the flow. However, it would still be worth it to see how much time it takes to run one quart of water. If it is more than ten seconds then your flow is less than 1.5gpm and you should look for another restriction.

Quick check - is the new valve you installed fully open?

[Topspinmo]

Originally Posted by Bill14564

Mine can fill a one quart measuring cup in 10 seconds which means a 1.5gpm flow rate. (could actually be 1.2gpm but hard to measure that close)

If I read things correctly, there is a US limit of 2.2gpm max @ 60psi but many companies produce the 1.2gpm @ 60psi fixtures to conserve water. (my house was >60psi last I checked so maybe that's why my measurement was closer to 1.5gpm)

So it's possible your last fixture was 2.2gpm and now you are getting a little more than half the flow. However, it would still be worth it to see how much time it takes to run one quart of water. If it is more than ten seconds then your flow is less than 1.5gpm and you should look for another restriction.

Quick check - is the new valve you installed fully open?

Ok, I’ll time it, I sure the 20 plus year old delta had over 2.0 flow rate. I still got two in back so I’ll compare flow rate from them?

I will also check the shut off valves make sure they are fully open.

[Topspinmo]

Ok, valves are fully open.

The new delta flow is 2 cups to 2.2 cups in 10 seconds. The old deltas in back measure 4.4 to 4.6 cups in 10 seconds. So stands to reason it will take twice as long to get hot water due to reduced flow. Unless I find easy way to open up flow I’ll just live with it no sense fixing something that’s not broke… I’ve looks at other brands most flow 1.2 to 1.5 GPM. One brand flowed 2.2 GPM some didn’t’ list flow spec’s.

[Bill14564]

Originally Posted by Topspinmo

Ok, valves are fully open.

The new delta flow is 2 cups to 2.2 cups in 10 seconds. The old deltas in back measure 4.4 to 4.6 cups in 10 seconds. So stands to reason it will take twice as long to get hot water due to reduced flow. Unless I find easy way to open up flow I’ll just live with it no sense fixing something that’s not broke… I’ve looks at other brands most flow 1.2 to 1.5 GPM. One brand flowed 2.2 GPM some didn’t’ list flow spec’s.

2 cups in 10 seconds = 12 cups in 60 seconds = 0.75gpm
4.4 cups in 10 seconds = 26.4 cups in 60 seconds = 1.65gpm

From your numbers it would appear that either
- you have very low water pressure causing a 2gpm to only give 1.5gpm and a 1.2gpm to only give 0.75gpm
OR
- your old fixture is a 1.5gpm and something is wrong with the new parts used for your new fixture (blocked valve, blocked line, bad/blocked faucet)

What I would try in my home:
- Do I get the same flow for both straight hot water and straight cold water? They go through different valves and different lines so the same flow would point to the faucet as a problem.
- What flow do I get if I close the valve, remove the line from the faucet, put it into a bucket, then turn the valve back on? Then try the same thing at one of the faucets that seem to work correctly. If the flow is the same then the faucet is different and might be bad. If the flow is different, likely lower at the slow faucet, then maybe something in the valve or line to the faucet is bad.

[MarshBendLover]

You look up on youtube, several videos on how to remove restrictor.

I have always removed mine. In my own opinion, generally, unscrew the tip where the water comes out, up inside will be a screen and behind that is usually a white plastic disc with about 5-7 holes (restrictor). It usually can be pried out with a screw driver, pulled out with needle nose, or drilled out/knocked out. Obviously I always do my own before install and I would never ever do one for a customer or tell a customer to do it for themselves . When I have to drill or knock it out, I get all the pieces. I also remove the screen. The screen just gives it a nice soft air flow, but slightly restricted.

My PP diverter/shower was a 2.2gph and now it's a 5.8. Getting shampoo out of your hair is easier too. I was worried my wife might think it's too hard since she is always acting so delicate, but surprisingly she still likes it.

[Babbs1957]

Those showers designed to act like a rainfall are awful for getting shampoo/conditioner out of us with long hair. Low flow is ridiculous, especially with toilets too.

[Topspinmo]

Originally Posted by CigarMaster

You look up on youtube, several videos on how to remove restrictor.

I have always removed mine. In my own opinion, generally, unscrew the tip where the water comes out, up inside will be a screen and behind that is usually a white plastic disc with about 5-7 holes (restrictor). It usually can be pried out with a screw driver, pulled out with needle nose, or drilled out/knocked out. Obviously I always do my own before install and I would never ever do one for a customer or tell a customer to do it for themselves . When I have to drill or knock it out, I get all the pieces. I also remove the screen. The screen just gives it a nice soft air flow, but slightly restricted.


My PP diverter/shower was a 2.2gph and now it's a 5.8. Getting shampoo out of your hair is easier too. I was worried my wife might think it's too hard since she is always acting so delicate, but surprisingly she still likes it.

Ok tried all the other stuff with no success.

I took off nozzle aerator as you suggested. Plenty flow with off. The one on left came with faucet I figure the pink disk was restrictor. I couldn’t get it apart, but I did have new one in my plumbing kit. I was able to take it apart and remove the green disk restriction.

Now getting plenty of flow, 8 cups in 10 seconds. Thanks ! Now I got more flow than before.

[Topspinmo]

Thanks to all for suggestions and conclusions. Problem solved!

[MarshBendLover]

wow, that green really is restricted. Glad it works good.

[Cuervo]

Now I know this topic is about water flow, but I had a need for a plumber to change my garbage disposal, while he was here, I figured since my faucet was leaking, he might as well change my cartridge. For the next month I was having trouble with my hot water, so I call the same company this time it was another plumber that show up. He told me the problem was there was I safety switch in the cartridge to prevent the water from getting too hot. Within minutes he pulled it out then put it back in and the hot water flowed. I never knew this existed.