Frequently Asked Questions


Most likely your sink has a very smooth underside and with use, the mounting bracket is loosening up over time. We recommend placing some emery cloth between the sink and the mounting bracket of the faucet to help give it some traction when tightened down.
The nipple for the sprayer doesn't have an o-ring. The two hoses for the sprayer and for the spout cannot be interchanged which would cause the spray to not function. The o-ring for the sprayer and a spacer are inside the housing of the sprayer hose.

Back-to-back installations require that the pressure balancing cartridge be "flipped" or rotated 180 degrees in order for both units to function properly. Flipping the cartridge will reverse the hot and cold water supply lines so that the faucet works like a traditional hot/cold unit. The cartridge may also be flipped to correct a hot/cold reversal resulting from connecting the supply lines to the incorrect sides of the valve.

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There are two types of valves. Choose A or B below depending on your series

A. 1300/1400 Series (RP19804)

Here are the steps to follow in reversing the operation of your faucet.
  1. Before you begin, make sure that you shut off the water supply to the faucet.
  2. Remove the handle. A clear knobs will have a Phillips head screw located just under the plastic cap; a lever handle usually has a small set screw located on the side.
  3. Slide off the finished metal (chrome, polished brass, white or almond) sleeve that covers the valve.
  4. Unscrew the bonnet nut. The bonnet nut is a large brass ring and should unscrew by hand. If it is too tight, wrap a towel around the bonnet and use a pair of channel locks. Make sure that the entire valve body does not start to rotate as you do this. Remove the bonnet nut.
  5. Do not pry the valve cartridge out of the body with a screwdriver. Place the handle on the cartridge stem and rotate it counterclockwise approximately 1/4 turn after the stop has been contacted. Remove the handle. Grasp the brass stem in the center of the white plastic assembly and pull it directly out, away from the wall. The valve cartridge should slide out of the body.
  6. Reinstall the cartridge after rotating the entire unit 180 degrees. Make sure that the raised plastic stop, marked "HOT", is on the right side of the valve.
  7. Reattach the bonnet nut, trim sleeve, and handle.
B. 1700/1800 Series (RP32104 or RP32106)
Here are the steps to follow in reversing the operation of your faucet.
  1. Before you begin, make sure that you shut off the water supply to the faucet.
  2. Make sure the water supplies are turned off.
  3. Remove the sleeve, bonnet and cartridge. Pull the cap from the cartridge and rotate it 180 degrees or one half turn. Reinstall the cap on the cartridge.
  4. Reinstall the cartridge making sure that the key is fully engaged with the slot in the brass body. Be sure the "HOT SIDE" marking on the cartridge is facing toward the right.
  5. Install the bonnet and sleeve making sure the O-Ring is behind the groove on the brass valve body.
  6. Install the volume control handle with the lever to the right, then turn the handle to the "ON" position. Install the temperature control knob and rotate it to the left. The water should be hotter the further you rotate it to the left.

Watch this how-to video or follow these steps:

  1. Let the water run until both hot and cold water is fully mixed.

  2. Rotate the handle fully counterclockwise to the hottest position.

  3. Place a thermometer in a plastic tumbler, and hold the tumbler in the water stream.
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  4. If the water temperature is above what is allowed by your local plumbing code (110º F or 120º F), remove the handle on 1300/1400 series or temperature knob on 1700/1800 series, and rotate the rotational limit stop:

a. Counterclockwise if you have a Monitor® 1300 or 1400 series model (handle controls the temperature only, not the volume). For every tooth the rotational limit stop is rotated counterclockwise, the maximum water temperature will decrease approximately 6º F. NOTE: If water temperature is too cool, rotate the limit stop clockwise.
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b. Clockwise if you have a Monitor 1700 or 1800 series model (handle controls volume; temperature knob controls temperature). For every tooth the rotational limit stop is rotated clockwise, the water temperature will decrease approximately 2º F. NOTE: If water temperature is too cool, rotate the limit stop counterclockwise.
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  1. For 1300/1400 series: Replace the handle. After verifying the water outlet temperature, secure the handle with the screw. Do not over tighten. For 1700/1800 series: After verifying water outlet temperature, snap temperature knob into place.

  2. MAKE SURE COLD WATER FLOWS FROM THE VALVE FIRST. MAKE SURE WATER (AT THE HOTTEST FLOW) DOES NOT EXCEED THE TEMPERATURE ALLOWED (see steps 1-4 above).

Note: Consumer safety is our number one concern. If you do not have experience with plumbing repairs, we recommend that you contact a licensed plumber for tub/shower repairs.

The spool and sleeve, the part of the Monitor pressure balance valve that blends the hot and cold water, may not be working properly. This can be caused by mineral deposits that build up over time, resulting from hard water. To solve, follow the steps below based on your model.

Tools you may need:

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  1. Shut off water supply.
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  2. There are two types of valves. Choose a or b below depending on your series
    • 1300/1400 Series: Remove handle.
    • 1700/1800 Series: Remove temperature knob, cover and handle.
  3. Twist and pull sleeve to remove it.
  4. Unscrew brass bonnet nut.
  5. Remove cartridge.
  6. Soak cartridge in a 50/50 vinegar and water solution for 24 hours to remove any mineral deposits.

NOTE: Unless both hot and cold water supplies are turned on, the pressure balance valve will allow only a dribble of water to flow through the valve.

To hard wire an e-Flow faucet, you must use the RP32508 Hard Wire Transformer and RP32494 Hard Wire Converter.
The o-ring is in the groove on the valve. Roll it out of the groove toward the wall, and the trim sleeve will slide on. The o-ring needs to be able to roll with the movement of the sleeve.

The spool and sleeve, the part of the Monitor pressure balance valve that blends the hot and cold water, may not be working properly. This is often caused by mineral deposits that build up over time. To solve, follow the steps below based on your model.

Tools you may need:

installhotcoldtools.jpg

  1. Shut off water supply.
    installmonitorvalves.jpg

  2. There are two types of valves. Choose a or b below depending on your series

    1. 1300/1400 Series: Remove handle.

    2. 1700/1800 Series: Remove temperature knob, cover and handle.

  3. Twist and pull sleeve to remove it.

  4. Unscrew brass bonnet nut.

  5. Remove cartridge.

  6. Soak cartridge in a 50/50 vinegar and water solution for 24 hours to remove any mineral deposits.

NOTE: Unless both hot and cold water supplies are turned on, the pressure balance valve will allow only a dribble of water to flow through the valve.

Helpful Hints:

  1. Before removing valve cartridge assembly for any maintenance, be sure to note the position of the stop on the cap. The valve cartridge assembly must always be put back in the same position. For normal installations, the stop on the cap will face the left.

    BE SAFE! After you have finished the installation, turn on valve to make sure COLD WATER FLOWS FIRST.

  2. To remove valve cartridge from body, shut off water supplies and remove handle and bonnet nut. Do not pry the valve cartridge out of the body with a screwdriver. Place handle on stem and rotate counterclockwise approximately 1/4 turn after the stop has been contacted. Lift valve cartridge out of body
  3. To remove seats and springs, remove valve cartridge. Separate cap assembly from the housing assembly by rotating the cap assembly counterclockwise 90 degrees. Separate cap and housing assemblies. Remove seats and springs and replace. Place the largest diameter of the spring into the seat pocket first and then press the tapered end of the seal over the spring. Reassemble valve cartridge and replace in body following instructions given in 1 above.
  4. If the water in your area has lime, rust, sand or other contaminants in it, your pressure balance valve will require periodic inspection. The frequency of the inspection will depend on the amount of contaminants in the water. To inspect valve cartridge remove it and follow the steps in note 1 above. Turn the valve to the full mix position and shake the cartridge vigorously. If there is a rattling sound, the unit is functional and can be reinstalled following instructions given in note 1 above. If there is no rattle,replace the housing assembly (RP19805).

A small gap is normal and necessary to allow proper movement of the handle without damaging the escutcheon below it. An excessive gap results from improper height adjustment at the time of installation. To fix it:

  1. Loosen the nut under the counter/sink.

  2. Then screw the escutcheon UP just enough to make up the gap.

  3. Then re-tighten the nut. This lowers the valve and reduces the gap

Some common tools include:

  • Basin wrench
  • Adjustable wrench
  • Silicone sealant - Plumber's Putty is not generally recommended
  • Plumber's tape
  • Channel locks
  • Screwdriver (Phillips and slotted)
  • Flashlight

Please refer to the Maintenance & Installation Sheet supplied with the faucet to make sure you have all the necessary tools. If you need a Maintenance & Installation Sheet for your faucet, visit the Online Catalog and search for your faucet. When your faucet appears, select the Maintenance & Installation option to view the installation information.

Delta Faucet Company recommends you leave the existing fitting on the PEX supply tubing and not shorten the tubing. If you determine the PEX supply tubing for this faucet is too long and must be shorter to create an acceptable installation, be sure to read the instructions and plan ahead. When cutting the supply tubing, the installer accepts the responsibility to do so in a way that allows a leak-free joint to be created.  Delta is not responsible for tubing that is cut too short or cut in a way that will not allow for a leak-free joint. For custom fit installations, you must use RP50952 sleeves supplied with model and nuts included on supply lines. Tube cut must be straight. See plastic sleeve installation instructions found on RP50952.

NOTICE: DO NOT use a metal sleeve, RP51243 gasket (supplied with faucet) or ferrule in the place of the plastic sleeve supplied--it may not create a leak-free joint. Do not use pipe dope or other sealants on water line connections.

Instructions: Watch this how-to video for information on how to cut your PEX supply lines to size.

1. Identify desired length of tube (1). Leave 1" - 2" of extra length to allow for easier installation, and cut tube. Ensure cut is straight and burr free.

2. Slide nut (2) and plastic sleeve (3) onto cut tube. Ensure sleeve is oriented as shown.

3. Insert tube into outlet fitting (4). Tube should touch bottom of hole inside fitting.

4. Slide plastic sleeve down tube until it engages top of fitting. NOTICE: Failure to use plastic sleeve in the correct orientation will result in disconnection and possible water damage.

5. Slide nut over plastic sleeve. With wrench, tighten nut 2 turns past finger tight. Do not overtighten.

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The faucet is in the wrong position.

To correct an uninstalled faucet:

  • Rotate the spout 180 degrees so the Delta® name appears below the spout.

To correct an installed faucet:

  • Shut the water off at the water supplies.
  • Disconnect the faucet and remove it from the sink.
  • Rotate the spout 180 degrees so the Delta name appears below the spout and it faces toward the sink.
  • Reinstall the faucet.
Pinch together at the base of the black plastic halves, next to the hose. The top halves will spread apart. Pull down gently. Release tabs from the brass connector.

Look under your sink. If you see black plastic clips on the hoses, you have a Quick Connect faucet. Metal nuts on the hoses signify a standard thread-on connection.

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Delta Faucet Company has developed quick-connect parts to fit the request for longer hoses.

  • 67" widespread hose for all two-handle kitchen and lavatory widespreads - part number RP40307
  • 6' vegetable spray hose without sprayer - part number RP40308GR (gray ferrules), part number RP40308BL (black ferrules), or part number RP40308 (white ferrules)
  • Vegetable spray cap for the Quick Connect nipple - part number RP40301
  • Quick Connect nut and adapter - part number RP41478