Delta Monitor Shower Faucet Troubleshooting & Repair Guide

Delta Monitor Shower Faucet Troubleshooting Delta Monitor Shower Faucet Troubleshooting & Repair Guide

The Delta Monitor tub & shower faucet is a very common single handle pressure balancing shower faucet that requires a cartridge replacement to repair a drippy shower.
The Delta Monitor shower faucet uses a Delta Monitor 1400 cartridge or 1700 cartridge depending on the series. The Delta Monitor valve is an anti-scald pressure balancing design that is a safety and comfort feature to prevent wild temperature fluctuations.

How to replace the cartridge on a Delta Monitor 1400 series shower valve.First, you must turn the water off to the shower valve, which usually means shutting down the water to the whole house. Then take off the finish cover cap, and use an allen key or screwdriver to remove the set screw located on the side of the handle. After the set screw is completely out, you can pull the handle off.

Delta Monitor Shower Faucet2 Delta Monitor Shower Faucet Troubleshooting & Repair Guide
Then remove the sliding finish cover over the faucet body shank. Youll see a brass circular ring thay screws on the faucet, use a firm grip to unscrew the brass ring, and then use pliers or a flat head screwdriver to pry the cartridge out. Youll notice a small notch in the brass body of the valve, where a small plastic tab on the Delta Monitor cartridge inserts in one way. Make sure to install the new Delta Monitor cartridge into the valve body the correct way, so that the plastic tab and the slot fit together.

Delta Monitor Shower Faucet Troubleshooting & Repair GuideSometimes the cartridge is even marked with a H on the hot side of it, which should go on the left.

delta monitor Delta Monitor Shower Faucet Troubleshooting & Repair GuideAfter installing the cartridge, reassemble the trim and handle and turn the water back on.
How to adjust the temperature on a Delta Monitor 1400 series shower valve.
Make sure to adjust the temperature before putting the handle on. Take the small o-ring off of the cartridge stem and remove the disc and rotate it counter clockwise to increase the temperature limit, or clockwise to reduce the temperature limit. Then put the disc back on tightly the way you took it apart.

How to replace the cartridge on a Delta Monitor 1700 series shower valve.

The Delta Monitor 1700 series is exactly the same as the 1400 series except there are two moving parts on this series, one to turn the cartridge on or off and the other adjusts the temperature. These are a little trickier to install properly, so make sure to pay close attention to exactly how you take the handle off and take it apart, so you will remember exactly how to put everything back together.

How to fix low pressure problems on a Delta Monitor shower valve.

If the pressure is very lousy, even after replacing the cartridge. There may be some debris or sediment lodged in the two ports in the shower valve body. To flush it out, remove the cartridge and turn the water on for a few seconds while the cartridge is out and the water pressure should flush out the ports of any debris.

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