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Siemens 134-1511 Freeze Protection Indoor Single-Stage Control - Freeze Protection Indoor Single-Stage Controls
SiemensFreeze Protection Indoor Single-Stage Controls

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

Brand
Siemens
Item
134-1511 Freeze Protection Indoor Single-Stage Control
Category
Freeze Protection Indoor Single-Stage Controls
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

Siemens
Manufacturer Part Number
134-1511
Type
Steel, Fixed, 12°F
AC Volt
120 to 240V
Voltage
120 to 240V AC
Differential Type
Fixed
Enclosure Material
Steel
Switch Type/Action
SPDT, Open/Close on Rise
Temperature Differential
12°F
Temperature Control Range
35° to 45°F
Capillary Length/Bulb Diameter
4 ft Capillary, 20 ft x 1/8 in Bulb

Technical Documents

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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

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.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

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 Siemens
District cooling plants — LME73 + RWF55 for condenser-water modulation
Inflight catering and food-processing steam boilers — LMG22 with SQN90 air-fuel cross-damper
Hospital steam-plant redundancy — LME41 with QRA2 UV flame detection for dual-fuel boilers
Semiconductor fab process heat — LME23 and SKP55 gas valves on hot-oil heater skids
Container-terminal reefer-deck heating — LMG22 retrofit onto legacy burner racks

Siemens 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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Steel-enclosed freeze protection thermostat with manual reset and SPST switch action (close on rise). Temperature control range 35° to 45°F, 12°F differential, operates on 24 to 277V AC. Includes 4 ft capillary and 20 ft x 1/8 in bulb. Used for freeze protection in HVAC and refrigeration systems
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