Siemens Line Volt Mechanical Tstat: 35° to 45°F, Steel, Fixed, 12°F

The SIEMENS 134-1511 is a freeze protection indoor single-stage control. It prevents pipes and equipment from freezing by activating heating when temperatures drop between 35° and 45°F. Common applications include warehouses, boiler rooms, and mechanical spaces requiring reliable low-temperature safeguarding.

The SIEMENS 134-1511 features a fixed 12°F temperature differential, SPDT switch action (open/close on rise), and operates at 120 to 240V AC. It includes a 4 ft capillary with a 20 ft x 1/8 in bulb, a steel enclosure, and a temperature control range of 35° to 45°F.

3G Electric supplies the SIEMENS 134-1511 thermostat worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this freeze protection control to any country.

Mount the steel enclosure securely in a dry indoor location. Connect the SPDT switch per the wiring diagram for 120 to 240V AC. Position the 20 ft bulb and 4 ft capillary along the protected pipe or area. Set the control range between 35° and 45°F. Always follow local electrical codes and the manufacturer's instructions.