Delta RP212 ball assembly
Older ball-valve single-handle faucets with a knob handle (incl. 600 series shower).
Checked against the manufacturer
- Fits
- Older ball-valve single-handle faucets with a knob handle (incl. 600 series shower)
- Used in
- Shower, Tub/shower, Bathroom sink
- Handles
- Single
- How it works
- Knob on a rotating ball over seats and springs.
- Volume control
- Yes
- Height
- 2 in.
- Also sold as
- RP212-3, RP212MBS
How to recognize it
- Knob handle
- Ball has three holes: two inlets, one outlet
Don't mix it up
- Knob = RP212; lever = RP70.
- Seats and springs (RP4993) are not included.
- Converting to a lever: RP20111 conversion ball + RP17443 lever (or H79 lever for counter-clockwise knobs).
- Not interchangeable with: Delta RP70
Good to know
Knob handle RP17451 fits. RP212-3 = Home Depot version; RP212MBS = bulk pack. Out of stock on deltafaucet.com when checked 2026-10-29 (not marked discontinued).
Before you buy: pull the old part and compare it side by side. Similar-looking parts often don't swap.
Where to buy
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