Replacement for Moen 1222 Posi-Temp Cartridge with Removal Tool
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You can fix this
Likely cause: a stuck or worn cartridge
If the handle reaches full hot and the water stays warm, or it is hot even at the cold end, the balancing part inside the cartridge is likely stuck. Replace the cartridge.
Why this happens
Moen says a balancing spool may be stuck when a tub and shower valve will not deliver hot water. Moen's Posi-Temp guidance is to replace the 1222 cartridge if pressure drops when switching from cold to hot, and to replace the 1225 on Moentrol valves. A retailer guide to Kohler parts ties shower temperature loss to the Rite-Temp pressure-balancing cartridge.
How to fix it
- Shut off the water to the shower at its stops or at the main.
- Remove the handle and trim, and find the brand and model on the valve. Take a photo.
- Match the cartridge to the valve before you order. The identification index below helps if there is no number.
- Remove the retaining clip or bonnet nut and pull the cartridge. Note how it faced.
- Install the new cartridge the same way, reassemble, turn the water on and check full hot with a thermometer. Reset the limit stop to 120F or less by following your valve's guide.
When to stop. If the cartridge will not come out, or the valve body looks corroded or cracked, stop. Valve body work means opening the wall.
The part that fixes it
Each valve takes its own cartridge: Moen Posi-Temp 1222, Moentrol 1225, Delta 1300/1400 RP19804, Delta 13/14 RP46074, and so on. The Pfister and Kohler cross-references come from retailer listings, so confirm against your valve.
Cartridge Removal Tool for Moen 1222 Posi-Temp
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Replacement for Moen 1225 and 1200 Brass Cartridge
Single-handle kitchen, bath and tub faucets.
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Cartridge Puller Tool for Moen 1200 and 1225 Cartridges
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Replacement for Delta RP19804 Monitor 1300/1400 Series Cartridge
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Replacement for Delta RP46074 MultiChoice 13/14 Series Cartridge
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Replacement for Kohler GP500520 Rite-Temp Pressure Balance Unit
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Replacement for Kohler GP876851 Mixer Cap and Pressure Balance Kit
Cross-references GP76851, GP800820, GP77759, Sterling A2758. Valves K-304, K-11748.
FourHome is our own brand of replacement parts; this site is published by the team behind it. We earn from purchases made through this link.
Replacement for Pfister 974-042 and 974-5299 0X8 Shower Cartridge
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Replacement for Grohe 47080000 Tempress II Pressure Balance Cartridge
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Replacement for Gerber Safetemp 97-022 and 97-014 Cartridge Kit
Also 92-294, for 49-400 and 49-700 valves. Cross-references Everbilt 43284, Kissler 46-7214, Jerich 97501.
FourHome is our own brand of replacement parts; this site is published by the team behind it. We earn from purchases made through this link.
Not sure which part you have? Pull the old one and match it by brand, length and broach on Stems & Cartridges, an identification index of faucet stems and cartridges by part number.
If this does not fix it, tell the plumber
- The sinks get hot but the shower does not, or it stays hot at the cold end.
- The handle reaches full hot, so the limit stop is not the cause.
- The valve brand and model, and whether you replaced the cartridge.
Build the full list: what to tell the plumber.
Start this troubleshooter over
References (every fact above comes from one of these pages)
- Moen: Water temperature is not hot enough on tub and shower units
- Moen: How to adjust the Posi-Temp temperature limit stop
- SupplyHouse (retailer blog): Kohler faucet repair cartridges, seats and stems
- Delta: Monitor 1300/1400 series cartridge RP19804
- Delta: RP46074 cartridge parts page
- CPSC: Avoiding tap water scalds
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