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Eurotherm 1/2" Thermostatic Shower Valve with One Volume Control

The shower valve consists of the solid brass Valve Body, Thermostatic Cartridge, one Volume Control Cartridge, and two Check Valves. The parts within the valve have a lifespan of 15 to 20 years. Over time, wear and tear, plus the accumulation of limescale from precipitated hard water minerals in the water, cause parts to break, leak, or fail. To ensure continued safe and enjoyable use of your shower system, the manufacturer recommends servicing it about every 15+ years by replacing the Thermostatic Cartridge, one Volume Control Cartridge, and two Check Valves.

Shower Valve Maintenance

Eurotherm 1/2" Thermostatic Valve 18.30.076

Service Pack 1

Service Pack 2

Thermostatic Cartridge 18.30.082

Volume Control Cartridge 18.30.036

Check Valve 18.30.181

Thermostatic Cartridge Holding Nut 18.30.093

Thermostatic Extension Kit C (2-3/8" Threaded Tube and 3" Square Tube) 18.12.069

Thermostatic Extension Kit D (4-1/2" Threaded Tube and 5" Square Tube) 18.30.216

Stem Adapter 18.30.397

Installation Instructions
Installation Supplement

Replacing Cartridge on Concealed 1/2" Thermostatic Valve Assembly

Use a 1-11/32" socket wrench to remove the thermostatic cartridge holding nut.

Shower Valve Socket Wrench Set with Bar Handle

Includes 5 double-ended, hexagon sockets with the following socket sizes:

  • 21/32" x 27/32"
  • 29/32" x 31/32"
  • 1-1/32" x 1-3/32"
  • 1-5/32" x 1-9/32"
  • 1-11/32" x 1-7/16"