Question about Price Pfister R89-7MBK Marielle Shower Faucet with Valve Option....

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No hot water.

My single handle shower Price Pfisher only allows cold and warm water. I am having difficulty removing it. Can I access necessary area from the front? I have no back access. Many thanks!

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Remove handle (screw driver) then remove plate (same tool). just inside the valve is a small round bit of plastic with little teeth on it. this the temp control. remove this by popping it out and turn it about a quarter turn clockwise. this will allow the handle to turn more into the hot zone.

Posted on Mar 14, 2009

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1 Answer

Set water temp


remove the handle, find the plastic disk with teeth, pull out disk and turn to left for hot, right for cold, set disk back in place, then replace the handle, repeat as necessary.

Feb 22, 2012 | Price Pfister Plumbing

1 Answer

The hot and cold are reversed on our single handle shower (no tub faucet -- shower only)


Hot on left.
Cold on right.
Some single handle faucets have bleed-over where both hot and cold enter mixing valve each time handle is turned on, even when faucet calls for just cold or just hot.
Otherwise maybe a do-it-yourself plumber got pipes backwards... or maybe the tub used to be on other side of wall, and tub was moved during remodeling but pipes were not changed.

To fix problem:
First of all, turn off shower faucet. Turn on Hot at sink and put ear against shower faucet listening for sound of water flowing through the mixing valve.
If mixing valve is working fine, you need to open wall and investigate more.
For example if you have access door, reach in and feel which pipe is hot.
Pipes might need to be reversed if problem comes up in home inspection, otherwise the problem will not harm anything.

Feb 19, 2011 | Price Pfister Plumbing

1 Answer

Getting hot water when shower valve is first opened.


If I understand correctly, you have single handled shower faucet.
Normally there is a wait for hot water to arrive at faucet.
But now hot water is already at shower faucet.

Single handled faucets have a mixing area inside valve where hot and cold come together before going into sink.
This mixing valve can have crossover where the hot and cold can pass through to each other even when faucet handle is off. When single handle faucets get old, this can happen.
How it happens:
For example another faucet is turned on inside house, and pressure differential between hot and cold causes hot water at shower handle to pass through mixing area and into cold water line.
So if another faucet has been run, then that lets hot flow to faulty single handled shower faucet.
To confirm this is the problem: turn on other faucet and put ear against shower faucet to listen for moving water.
This condition may also signal there is a water leak.
The problem is not harmful, but will draw cold water into water heater each time, and is energy wasteful.
Replace faucet or have plumber repair problem.

Feb 19, 2011 | Price Pfister Single Lever Handle Faucet...

1 Answer

My price pfister single handle shower valve has no hot water there is flow from both hot and cold positions but only cold temperture if i play with the handle on and off i'll sometimes get hot water but...


The single handle valves I've installed work this way: If you remove the handle, there will be a spline with a cog underneath. The cog can be rotated along the spline to adjust the hot/cold stops. There may even be labels to help you, but a little trial and error with the cog should solve your problem.

Sotty, meant to post as solution.

Oct 12, 2009 | Plumbing

1 Answer

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You can try to rotate the first plastic ring to the left of center a few teeth, this will let the handle advance alittle more to the hot side.

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My 3 handle bathtub fauset [price pfisher] cycles hot and cold


You will need to either replace center "shower diverter"assembly or a quicker fix would be to remove old tub water fill spout and replace with a "pull up diverter knob" type water spout. Cost about 10 dollars Hdepot Pull Knob to divert water to shower when showering.

jthomefix

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1 Answer

Only hot water, no cold water.


The cartridges in the single handle units are prone to display this issue in hard water areas as mineral deposits such as calcium build up on the stem. The stems also have small rubber band like rings - for lack of a better term- that break apart and can clog the ports on the side where the are on. New stem should resolve the issue totally unless you have had a pipe break or other construction to the plumbing system recently. Thanks for using Fix Ya.

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2 Answers

Not enough hot water, has to do with a shower valve


Hello, first if any water supply hot or cold is turned off, you will experience trickling as you mention. You must have both cold and hot in order to adjust the temperature on your valve. if you had a plumber intall this unit you should ask him to adjust it. Otherwise here is how:
Rotate the handle counterclockwise to stop and let water run till cold water is purged, check
temperature. Rotate handle to off, remove handle parts (see Disassembly in your manual) and temperature limit stop, rotate clockwise to decrease and counterclockwise to increase maximum hot water temperature, reinstall temperature limit stop and handle (TIP: Do not screw handle in until desired maximum temperature is achieved) Repeat steps until desired maximum
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1 Answer

Shower mixer taps


look for a scald safety screw adjustment. Remove the handle, and it is underneath. this is for safety of young children, and is factory set.

Dec 23, 2008 | Price Pfister Ashfield Single Control...

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