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Reassemble Faucet — Reassemble the Faucet

Beginner3 hours

Part of project

How to Identify and Replace Your Delta Monitor Shower Cartridge (Old vs. New) · Step 6 of 7

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In this video

Carefully thread the repaired valve cartridge back into the faucet body by hand. Use the spanner to give it a final snug turn, being careful not to over-tighten. Screw the decorative shroud back on, then place the handle onto the splined valve stem. Secure the handle by inserting and tightening the retaining screw. Finally, press the decorative cap firmly back into place on the end of the handle.

Goal: Plumbing Fixture Repair (Faucet)

Used in this video

  • Spanner (brand: Draper, Tool Type: Wrench) — Tightening the valve cartridge.
  • Screwdriver (brand: Unspecified, Tool Type: Screwdriver, Power Source: Manual, Screwdriver_Type: Phillips) — Tightening the handle's retaining screw.
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FAQs

How do I confirm if I need the older gray RP19804 or the newer white RP46074 Delta cartridge before I start disassembly?

While some Delta handle styles can offer clues, the most reliable method is to remove the handle and trim plate to visually inspect your existing cartridge. Note its color (gray or white) and any distinguishing markings or numbers to ensure you purchase the correct replacement part.

The project lists several tools; which are absolutely essential for a successful cartridge replacement, and can I use basic alternatives?

You'll primarily need slip-joint pliers or Channel Locks for gripping the bonnet nut and a Phillips head or flat head screwdriver for the handle and trim screws. While specialized tools are listed, basic versions of these are often sufficient. Ensure your chosen pliers can provide a secure grip without damaging plastic components.

What should I do if I can't locate my main water shut-off valve, or if the water doesn't completely stop flowing after I turn it off?

First, check for an individual shut-off valve to your bathroom or shower, often found behind an access panel. If no such valve exists and the main shut-off is inaccessible or faulty, it's best to contact a professional plumber to avoid water damage and ensure a complete water stoppage before proceeding.

I've replaced the cartridge and reassembled everything, but the shower still drips, leaks, or has reduced flow. What could be the issue?

Double-check that the new cartridge is fully seated and properly oriented; the 'H' and 'C' markings usually align with the hot and cold lines. Ensure the bonnet nut is tightened securely, but not overtightened, and verify that all O-rings are in place and adequately lubricated with plumber's grease.

Transcript
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So if you swap the seal over like I said and screw the valve back in on both sides make sure everything is tight and fitted back with a spanner, put the valve cap back on, slide the tap end on and lastly insert the washer and screw into the end of the tap. After the screw is nice and tight you're basically going to slide on the end cap on both sides, turn the taps to the on position and now you'll see that the water should be running and

Auto-generated transcript. May contain errors.