Peerless exact part record
Peerless RP70538 Valve Cartridge Identification
RP70538 is a single-function pressure-balance valve cartridge documented for Peerless tub and shower valves whose parts diagrams list RP70538. Use the marked part number and the fixture's service information rather than appearance alone.
Direct answer
Peerless identifies RP70538 as a single-function pressure-balance valve cartridge. Official Peerless trim and rough-valve diagrams call out RP70538 for specified tub and shower applications. Before ordering, match the complete trim or rough-valve model and official parts diagram, then compare the installed cartridge and bonnet interfaces.
Fit facts
What identifies this match
Use these details together. One matching feature does not establish compatibility.
- Brand
- Peerless
- Documented part number
- RP70538
- Part class
- single-function pressure-balance valve cartridge
- Documented application
- Peerless tub and shower valves whose parts diagrams list RP70538
- Fixture context
- single-handle pressure-balance tub and shower valve
- Handle context
- single tub or shower control
What this record identifies
Peerless identifies RP70538 as a single-function pressure-balance valve cartridge. This is a part record, not the name of a complete faucet or valve. The manufacturer or authorized product documentation linked below is the basis for the application shown here.
The relevant fixture context is single-handle pressure-balance tub and shower valve, with single tub or shower control. A matching silhouette is useful for narrowing a search, but it does not establish fit.
Documented model or system relationship
Official Peerless trim and rough-valve diagrams call out RP70538 for specified tub and shower applications. That relationship is narrower than a claim that the part fits every Peerless product. Product families can contain different generations, valve bodies, or handle arrangements.
Read the source's application details together with the service sheet for the installed fixture. If the fixture documentation names another part number, follow that documentation rather than this visual guide.
Checks to make before purchase
match the complete trim or rough-valve model and official parts diagram, then compare the installed cartridge and bonnet interfaces. Compare the complete identifier, connection geometry, locating features, and handle interface while the old part is available.
Also confirm whether the listing is for the internal service part alone or includes seals, clips, adapters, or other installation pieces. Package contents can matter even when the main component number is correct.
How to separate common lookalikes
Do not confuse RP70538 with a sink-faucet cartridge or another pressure-balance generation based on a similar plastic body. Do not treat color, overall length, or a similar stem profile as a substitute for an application listing.
A model number from the faucet, installation sheet, receipt, or valve trim is stronger evidence than a photo match. When markings are missing, contact Peerless support with clear photos and measurements before buying.
Service context
RP70538 is serviced from the front of a concealed Peerless tub/shower valve after safe water isolation and trim removal. Shut off the water and verify that flow has stopped before opening the fixture. Protect finished surfaces and preserve the original orientation of clips, stops, and seals.
If corrosion, a damaged valve body, or uncertain in-wall plumbing prevents a positive identification, pause the repair and use a qualified plumbing professional.
Questions
Before you remove or replace the part
Is RP70538 the complete faucet or valve?
No. It is the single-function pressure-balance valve cartridge identified in this record. The complete fixture or system is Peerless tub and shower valves whose parts diagrams list RP70538.
Does RP70538 fit every Peerless fixture?
No such broad fit is established here. Use it only where Peerless or the linked authoritative documentation identifies RP70538 for the installed model or system.
Can appearance alone confirm the replacement?
No. Confirm the full part number, documented application, connection geometry, locating features, and handle interface before purchase.
What if the fixture model cannot be found?
Keep the old part, photograph its markings and interfaces, and ask Peerless support to identify it. Avoid forcing a near-match into the fixture.
Reference trail