If you’re replacing a single-handle shower valve cartridge, you want a durable, pressure-balanced option that fits your faucet model and maintains steady water temperature. This article highlights five compatible cartridges and kits, with guidance on which is best for Moen or Delta installations and what to watch for during installation. Ideal buyers include DIY homeowners, bathroom remodelers, and plumbers seeking reliable, leak-free replacements.
| Product | Brand | Best For | Notes |
|---|---|---|---|
| RP46074 Compatible Delta Kit | Sxtrrdnary | Delta 13/14 Series, Monitor valve setups | Includes bonnet nut option; excludes 1300/1400 series |
| Tearel Moen 1222 Cartridge Kit | Tearel | Moen Posi-Temp shower and tub valves | Includes removal tool and lubricant; brass core |
| BUWTIQ 1222 Replacement Kit | BUWTIQ | Moen single-handle Posi-Temp valves | High-durability brass core; includes compatible design |
| Kooyeeva Delta 13/14 Handle Kit | Kooyeeva | Delta R10000 rough-in valve with 13/14 series | Trim kit includes handle, escutcheon, cartridge; not the rough-in body |
| RP46074 With Bonnet Nut | Sxtrrdnary | Delta 13/14 Series, Monitor rough-in valves | Cartridge plus RP22734 bonnet nut; excludes 1300/1400 series |
RP46074 Delta Monitor Cartridge Kit

This cartridge is designed for Delta Monitor rough-in valves and most single-handle 13/14 series tub/shower faucets. Best for homeowners updating Delta showers with a focus on temperature stability. Features brass core and reinforced plastic for durability, plus a temperature limit to reduce scald risk. Caution: not compatible with 1300/1400 series faucets.
Tearel Moen 1222 Replacement Kit

This complete replacement cartridge kit targets Moen Posi-Temp showers and tubs. It includes a 104421 cartridge puller for removal, lubricating grease for easier installation, and an optional brass-core cartridge for reduced leaks. Best for Moen Posi-Temp users seeking a full restoration kit. Caution: removal process may require the included tool for safe extraction.
BUWTIQ 1222 Replacement Cartridge

BUWTIQ offers a durable Moen 1222 cartridge replacement designed for single-handle Posi-Temp valves. The design emphasizes a brass core and plastics to resist corrosion and high temperatures. Best for users wanting a seamless Moen 1222 replacement with robust materials. Caution: verify compatibility with your specific Moen model before purchasing.
Kooyeeva Delta 13/14 Handle Kit

This Delta 13/14 Series shower handle replacement kit includes a T13020 handle, escutcheon, and cartridge for quick change, specifically for Delta R10000 rough-in valves. Best for those replacing both handle and trim in one package. Caution: does not replace the entire rough-in body, and installation may require guidance if valves differ from the R10000 series.
RP46074 Delta Kit With Bonnet Nut

This bundle again targets Delta 13/14 series with a bonnet nut included, offering a convenient all-in-one replacement option for Monitor valves. Best for installers who want a complete upgrade path and a secure seal with the bonnet nut. Caution: identical in purpose to the first RP46074 option, verify packaging and included parts before ordering to ensure you get the bonnet nut if needed.
Buying Guide
What should you check before buying?
- Valve compatibility: Delta 13/14 vs 1300/1400 series, and Moen Posi-Temp compatibility. Choose a cartridge designed for your valve family.
- Temperature control: Look for a pressure-balanced design that maintains water temperature within approximately ±3.6°F (±2°C) to prevent sudden changes.
- Construction materials: Brass cores offer durability; reinforced plastics help reduce corrosion and leaks. Consider core design and sealing components.
- Included accessories: Removal tools and installation aids can simplify DIY replacements. Some kits include bonnet nuts or retaining clips.
- Installation scope: Some kits replace only the cartridge and handle; others include trim, escutcheon, or the entire handle assembly. Ensure your needs align with what’s included.
- Tools required: A cartridge puller is helpful, especially for Moen 1222 replacements. Have cleaning cloths and plumber’s grease ready for installation.
Frequently Asked Questions
- What is a pressure-balanced cartridge?
It maintains consistent water temperature despite pressure changes in the house water supply, reducing scald risk. - Can I mix cartridges from different brands?
Not recommended. Cartridges are designed for specific valve families and mixing can cause leaks or poor performance. - Do I need a cartridge puller for Moen 1222?
Many Moen 1222 replacements include a puller, but verify the kit contents before starting. - Is a bonnet nut included with all RP46074 kits?
Not always; verify the product listing to ensure the bonnet nut is included if needed. - How do I know if my Delta valve is a 13/14 series?
Check the valve body model or consult your faucet’s manual; 13/14 series are common for many Delta tub/shower combos. - What causes cartridge leaks after replacement?
Improper seating, worn seals, or incompatible valve types can lead to leaks. Re-check fit and torque during installation.