Siemens 134-1511 Freeze Protection Indoor Single-Stage Control
The SIEMENS Line Volt Mechanical Tstat is a freeze protection indoor single-stage control with a fixed 12°F temperature differential and a control range of 35° to 45°F. It features a steel enclosure, SPDT switch…
SKU 3G-OTH-67818
Also listed as: 1341511 · 134 1511
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The SIEMENS Line Volt Mechanical Tstat is a freeze protection indoor single-stage control with a fixed 12°F temperature differential and a control range of 35° to 45°F. It features a steel enclosure, SPDT switch action (open/close on rise), and operates at 120 to 240V AC. The unit includes a 4 ft capillary and a 20 ft x 1/8 in bulb.
Frequently Asked Questions
What is the SIEMENS 134-1511 line volt mechanical thermostat used for?
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.
What are the specifications of the SIEMENS 134-1511 thermostat?
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.
Where to buy the SIEMENS 134-1511 thermostat worldwide?
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.
How to install the SIEMENS 134-1511 freeze protection thermostat?
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.
Used in
Common applications for SiemensSiemens Products
3G Electric supplies Siemens freeze protection indoor single-stage controls. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
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Compatible alternatives & equivalents
- Siemens Pneumatic mechanical thermostat with direct and reverse action for dual-temperature control. Temperature range 45° to 85°F. Used in HVAC systems to regulate pneumatic actuators in commercial building zone heating or cooling applications
- Siemens Pneumatic thermostat with direct action for single-temperature control in HVAC systems. Features 2-pipe high volume air flow output, temperature range 45° to 85°F, and vertical mounting without cover