Question about Delta & Single Handle Shower Faucet
Assuming that you have sufficient hot water, you need to adjust the Scald-Guard valve. It's usually quite easy to do. The intent is to limit the amount of hot water that can be fed to to shower head or tub spout. On the 1300/1400 series faucents there is a disk behind the faucet knob/lever called the rotational limit stop. Remove the knob/lever, either by popping the cover off the knob and removing the screw with a Philips head screw driver, or removing the handle with an allen wrench. Next adjust the rotational limit stop disk clockwise to increase the limit on hot water flow. Delta claims each tooth you click past clockwise will increase the maximum water temperature by 6 degrees F.
Delta has a great FAQ on their web site. As of Jan 30, 2011, this link is valid:
If the rotational limit stop disk is already turned to the maximum point (clockwise), then you may have a hot water flow problem (either with the cartridge or to or in the manifold). The cartridges require a little more know-how to replace. You'll need to shut off the main water valve prior to removing the old cartridge. There are a couple of places that detail how to replace and/or service the cartridges, including a short video on youtube. I can post more details on this if you find you need to replace the cartridge.
Posted on Jan 30, 2011
First check at sink that you even have hot water. (I had to show friend that 1 of his 2 heat elements in water heater had gone bad. After replacing it then mega hot water).
I am not sure which delta model you have but some of them have a little lever behind plate that u can adjust for hotter water.
If you are not mechanically inclined then don't. Ive seen some cause more problems trying to do-it-urself.
Posted on Oct 06, 2010
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Posted on Jan 02, 2017
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