Delta Home - Answered Questions & Fixed Issues

If your new Delta single handle shower valve won't shut off, it could be due to an issue with the valve itself or with the installation. Some possible causes include a misaligned handle, debris in the valve body, or a faulty cartridge. It is best to check the installation instructions and ensure that everything is properly seated and aligned. If that does not solve the issue, you may need to contact Delta customer service for further assistance or consider hiring a plumber to diagnose and fix the problem.

no info generic answer ---if have the manual it shows how to adjust the temp stops --look up manual using make and model

Amazon or Home Depot https://www.google.com/search?q=replacement+screws+for+delta+bassinett ..

Check there is nothing on the valve seating stopping the valve from shutting off fully

Use the special tool for pulling handles.

1. Fill valve 2. Flapper

Contact Delta directly to request.

Pegasus shower faucet causing nearby toilet flush to trigger tankless hot water heater to trigger. Also, all faucets in house make hammering noise when turning them off. When turning the inwall pegasus shower faucet valve water stops shut, all issues disappear. So the pegasus cartridge is at fault, though we just replaced it and the pressure regulator too. Will another cartridge/pressure regulator work instead?
Thanks

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Was it hot enough before the Delta? If so open and close the hot water valve (under the sink) several times as there maybe mineral deposits. I know you said the flow is the same on hot and cold but unless your version is a single handle model the problem should lie with the valve. If this is a cartridge model (cold & Hot together) then the cartridge may be out of align allowing the cold and hot water to mix.

Behind the handle check to see if it has a dail to take out and replace at a different postion this will change the hot and cold. It a anti scald protection device. Don't remove cartridge just adjust dail.

Mark where you start and take out and move a 1/8-1/4 turn at a time and replace til temp desired. It has teeth like a gear you move to adjust temp.

well they should be same size but unless you getting more of one then other then sound like mixing valve is not mixing. do have 3/4 hook up to mixing valve? you only need 1/2" to valve.

Refer to instructions that came with valve body, orgo on line and read them CONTINUOUS FLUSHING:1.The Regulating Screw (061024A, item #4) may be turned RIGHT (clockwise) TOO FAR. Adjust by slowly turning the Regulating Screw LEFT (counter- clockwise) (except -6, -48, -42, -19 and -05 models which are fixed volume).2.If flush is still continuous, close inlet stop, remove Regulating Screw (061024A, item #4), CLEAN bypass slot in the Screw, REPLACE it in the valve and Adjust slowly for proper flush (except -6, -48, -42, -19 and -05 models which are fixed volume).3.CHECK the relief valve in the Handle Cage (060810A, item #12) and see if it is stuck in the open position or fouled by debris. Replace the Handle Cage(060810A, item #12) if necessary.4.Remove cast cap assembly (see Table 1) and Diaphragm/Guide Assembly (061323A - WC, item #7a or 061324A - UR, item #7b, 061376A - UR,item#7c) and check for contaminants at renewable seat and diaphragm and check for debris in the cap for blockage. Also CHECK that the Diaphragm/Guide slides easily in the Renewable Seat.

Most modern shower restrictors are permanently fixed and require some prying with a pick or small screwdriver and possibly drilling. Be careful that in removing some of the pressure reducing stuff you do not slip and put a hole in yourself. You don't have to get it all out, just enough to allow full pressure to the head.

Clean hand held the unit is probably clogged . If you have ard water you can soak it vinegar for a couple of hours.

If I am reading this right. You have one single handle that controls the temp and flow in your shower, correct? This being the case and you cannot adjust the HOT down enough with the handle. Then my suggestion would be to turn it down at the water heater. If you remove the access door on the side of the unit. There should be either a dial you can turn with a small flathead screwdriver. Or a switch that selects the desired temp. But take into consideration that this will effect ALL water temp throughout your house. Washing machine, Dishwasher, etc.................. There might be one other thing to investigate as well. Look into the cold water supply side at the water heater. It might not be open all the way. Thereby restricting the cold water flow..........:) Good luck, Jason

overflow protection. Read manual https://media.deltafaucet.com/MandI/76687%20Rev%20D.pdf

Guessing you have hard water. Is there there white crusty stuff around the little holes? If yes, take the head off and put it in a bowl of vinegar for half an hour or buy CLR. Either should soften or dissolve the lime. OR When you take the head off check the little filter screen for dirt. If the water has been off recently, the rush of water gilling the pipes again can stir up any dirt in the pipes. Take the screen out, clean and replace.

there are several videos online. here is one. Delta Replacing Delta Tub Shower Cartridge

Delta faucet cartridges unscrew, and take a special tool. If you don't have one most any hardware store that carries Delta should have one. Did you try that tool?