Coolfell RP70538/RP73625 Shower Cartridge for Delta & Peerless

Coolfell RP70538/RP73625 Shower Cartridge Kit

Revitalize your shower with the Coolfell RP70538/RP73625 cartridge kit. This single-function pressure balance cartridge is designed to fit Delta and Peerless single-handle tub/shower faucets, including the Delta Foundation series. The kit includes a replacement RP70538 cartridge and a matching RP73625 check valve, delivering a complete upgrade for better control and performance.

What’s included

• 1 x RP70538 shower cartridge replacement
• 1 x RP73625 check valve assembly replacement

Key benefits

• Compatibility with Peerless and Delta single-handle faucets reduces guesswork during replacement
• Durable construction using brass and plastic to support long-term reliability
• Precise control of water temperature and flow helps maintain a comfortable shower experience
• Includes a check valve for improved flow and backflow protection
• Simple, DIY-friendly design to replace the old cartridge without special tools

Product details

Specifications:

• Material: Plastic, Metal
• Color: As shown
• Height: 3.15 inches (80 mm)
• Width: 1.57 inches (40 mm)

Installation tips

• Shut off the water supply and confirm no pressure in the line before starting
• Remove the old cartridge and inspect the valve body for debris
• Install the RP70538 cartridge, then attach the RP73625 check valve as directed
• Reassemble the handle and faceplate, then restore water and test temperature and flow

Real-world use

Homeowners and renters alike can appreciate the straightforward replacement process and the potential for smoother temperature transitions during showers. The included valve component helps maintain steady performance over time, while the compact unit fits a range of single-handle configurations.