Siemens 180-896 Tubing Loop for Pneumatic Thermostats. 10 Per kit
For 1/4" (6 mm) OD polyethylene tubing.
Preassembled Plastic Tubing Loop. 8" (203 mm) long, with anti-kink spring. Cut and attach directly to thermostat chassis. Attach compression rings to prevent air leakage
Can be used with other brands of Pneumatic Wall Thermostats