Gerber 98-709, Disc Stem for use with Cold Water Tubs and Showers

Gerber G0098709 (98-709) Cold Side Ceramic Disc Stem – Multi-Handle Tub/Shower Applications

The Gerber G0098709 (also known as 98-709) is a cold-side ceramic disc stem assembly designed for use in Gerber two- and three-handle tub and shower valves. Constructed with a solid brass body and ceramic disc mechanism, this stem provides quarter-turn control for cold water delivery.

It features a hex bonnet design for secure installation and straightforward servicing. The stem is field reversible and includes color-coded seals (blue) for identification during replacement procedures. This component is designed to maintain precise control over water flow while minimizing handle play and leakage under standard operating conditions.

Product Features

• Application: Cold water control for Gerber multi-handle faucets
• Mechanism: Ceramic disc cartridge for 1/4-turn operation
• Body Material: Brass
• Bonnet: Hex-style for tool-based installation
• Seal Type: Snug-fit with integrated blue bottom seal (cold side)

Specifications

• Model Number: G0098709 / 98-709
• Cartridge Type: Ceramic disc stem
• Turn Operation: 1/4 turn
• Orientation: Cold side (blue seal)
• Compatibility: Gerber two- and three-handle tub and shower faucet bodies

Installation Guidelines

Shut off water supply before replacing valve components. Remove existing stem and inspect valve body for debris or wear. Install new stem with proper alignment of stem tabs. Use an adjustable wrench to secure the hex bonnet. Verify that the stem operates smoothly through full handle rotation before restoring water pressure.