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The DELTA FAUCET CO RP1991 is a scald guard cartridge seat designed as a replacement component for Delta scald guard tub and shower valves without a hot button. This seat is a critical internal valve part that interfaces with the cartridge assembly to maintain proper water temperature limiting and flow control. Plumbers and service technicians install this part during cartridge rebuilds or valve repairs where the seat has worn, cracked, or degraded and is causing temperature regulation issues or leaks. At 1.13 pounds, it ships as a unit of measure of each (EA) with a package quantity of 12.
This cartridge seat is used in residential and light commercial tub and shower applications where Delta scald guard valve assemblies are installed. It is appropriate for repair calls involving inconsistent hot water limiting, cartridge seating failures, or valve leakage originating at the seat interface. Installers sourcing repair stock will recognize this as a standard OEM replacement for Delta and Peerless scald guard trim systems configured without a hot limit button.
Designed for use with Delta scald guard tub and shower valve assemblies without a hot button, including compatible Peerless scald guard systems as stated by the manufacturer.
Installation of this cartridge seat should be performed by a licensed plumber or qualified service technician. Shut off the water supply to the fixture at the nearest isolation valve or main supply before disassembling the valve body. Follow local plumbing code requirements (IPC) for valve repair procedures. Inspect the valve body seat pocket for corrosion or debris before seating the replacement part to ensure a proper seal.
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