20 Most Recent Delta Model 300: Classic Single Handle Kitchen Faucet - Chrome Questions & Answers

Check to see that the cutoff valves under the sink are fully open. Also be sure that any shipping plugs or caps in the lines were removed prior to installation.

May i get the make and model # of the faucet to help you.

take the handle back off and see if you can turn it off. if you can the you have put one of the 2 in wrong. try reinstalling

Instead of the headache, why don't you just replace the difuser? These are relatively inexpensive at home depot and are a simple thread in.

if yu know the size of the nut, go to any of the auto supply store and get a 90 degree box or open end.
most likely is either 1/2 or 7/8"

turn of both water supply under the sink.
there is a small red/blue plastic cap at about 45 degree to the underside of the handle. you need a allen key screw driver to lossen it, then pull up the handle. unscrew the lock cap on top of the facet body. left out the cartirdge and make sure there are two "O" ring at the butom of the cartridge is out of the focet body. install in reverse.

these facets are shipped with plastic plugs in them to keep stuff from getting inside them during shipping. Did you remove the plastic plugs where the supply lines hook up?

Modern faucets are made to be 'Eco', so less water flow and lower water consumption. If the water flow is a lot more on the hot side, there there is a fault with the cold. There aren't many reasons. Stuck shut of valve. Disconnect the braided line and open the valve into a bucket. Or the ceramic cartridge in the faucet is not correctly lined up. Or remove the strainer on the head, they can block with debris. ..

• Solid Blue - Normal operation, "Touch" mode is activated.
• Flashing Blue - Normal operation, the hands-free mode is activated.
• Solid Red - Warning mode - Replace batteries as soon as possible. While the water is running Solid Red LED is illuminated. When the water is off, the Red LED flashes once every 5 seconds. The faucet operates normally, solenoid valve is open.
• Rapid Flash Red - Alert Mode - Battery Failure Imminent. The Red LED flashes once a second. The first time the faucet is used, the Red LED will turn ON, the solenoid valve will be opened and remain open. The manual valve must be used until the batteries are replaced.
• Solid Red - Lockdown Mode - Replace Batteries. Extremely Low Batteries - The RED LED is ON, and water will not flow. The solenoid valve is closed and faucet will not operate until batteries are replaced.
• Long Flash Red (2 seconds on / 2 seconds off) - Board error, replace electronics kit, RP53230 See manual bypass of electronics section of Installation instructions.

Try using a suction cup to pull the button out. Place the suction cup over the button and pull it outwards. The suction cup should create enough force to pull the button out. If the suction cup doesn't work, try using a strong magnet to pull the button out. Place the magnet over the button and pull it outwards. The magnet should create enough force to pull the button out. If the above methods don't work, try using a flathead screwdriver to pry the button out. Place the screwdriver under the button and gently pry it outwards. Be careful not to damage the button or the faucet. If this does not work, try customer support for Delta.

Maybe try their Tech 844#... https://www.deltafaucet.com/sites/delta/files/2019-12/Touch_troubleshooting_guide.pdf Best to you

Taps lock up and rust. Although the outside is nice and shiny chrome, the inside is brass and they use steel screws that rust in place. Turn off the water, replace the whole thing. Take the parts back where you got them and buy the new one. When you get the new one, remove screws and removeable parts and grease them up with Vaseline.

Question moved from Cars and Trucks to Delta Plumbing. If it is brand new, you need to contact Delta under warranty rather than Fixya. https://www.google.com/search?q=Delta+faucet+and+battery+case+will+not+stay+closed ..

no info generic answer poor water pressure---valve /water line clogging / failing

There a little plastic tab on the cartridge that will line up with a notch in the valve body?...allowing it to go all the way in

The classic signs that it needs a new ceramic cartridge and o-rings.

Contact delta they will have that information

For me, the issue was the washer that's exposed on the underside of the circular brass piece that's exposed when you unscrew the top (I wasn't able to find any documentation that explains what anything is called). My washer looked fine, but I removed it, added some silicone o-ring lube i had and re-assembled. Stopped leaking.

Water condition, could be a variety of things with water.

They should simply twist off (unscrew)from the base. Assuming thus is a two handle faucet the "body" right below the handle will simply unscrew reveling the cartridge underneath. Hope this helps!