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Siemens Pneumatic Thermostat: 45° to 85°F (Day/Night), 2 Pipes - Dual-Temperature Thermostats
SiemensDual-Temperature Thermostats

Siemens Pneumatic Thermostat: 45° to 85°F (Day/Night), 2 Pipes

The SIEMENS Pneumatic Thermostat (SKU 4E673, MPN 192-204) is a dual-temperature thermostat with a Day/Night type. It features a temperature control range of 45° to 85°F (Day/Night) and a 2-pipe, high-volume air flow…

SKU 3G-OTH-69799

Brand
Siemens
Item
Pneumatic Thermostat: 45° to 85°F
Category
Dual-Temperature Thermostats
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Technical Specifications

Siemens
Manufacturer Part Number
192-204
Type
High Volume Pipes/Air Flow Output
Pipes
2
Thermostat Action
Direct - 18 psig (Day), Direct - 25 psig (Night)
Pneumatic Thermostat Type
Day/Night
Temperature Control Range
45° to 85°F (Day/Night)
Number of Pipes/Air Flow Output
2 Pipes, High Volume
Mounting Direction/Includes Cover
Vertical, No
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS Pneumatic Thermostat (SKU 4E673, MPN 192-204) is a dual-temperature thermostat with a Day/Night type. It features a temperature control range of 45° to 85°F (Day/Night) and a 2-pipe, high-volume air flow output. The thermostat action is direct at 18 psig (Day) and direct at 25 psig (Night), with vertical mounting and no cover included.

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 Pneumatic Thermostat 192-204 used for?

The SIEMENS Pneumatic Thermostat 192-204 is used for dual-temperature day/night control in commercial HVAC systems. It regulates air flow in 2-pipe high-volume pneumatic networks, maintaining temperatures from 45° to 85°F. Typical applications include office buildings, hospitals, and industrial facilities requiring separate day and night setpoints.

What are the specifications of the SIEMENS Pneumatic Thermostat 192-204?

The SIEMENS Pneumatic Thermostat 192-204 is a Day/Night type with a temperature control range of 45° to 85°F. It features 2-pipe high-volume air flow output, direct thermostat action at 18 psig (Day) and 25 psig (Night), and vertical mounting without a cover. The MPN is 192-204.

Where to buy the SIEMENS Pneumatic Thermostat 192-204 worldwide?

You can source the SIEMENS Pneumatic Thermostat 192-204 worldwide through 3G Electric. As a global industrial equipment distributor, 3G Electric handles full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this pneumatic thermostat.

How to install the SIEMENS Pneumatic Thermostat 192-204?

Install the SIEMENS Pneumatic Thermostat 192-204 vertically on a wall or panel, ensuring proper pneumatic line connections for 2-pipe high-volume air flow. Verify the direct action settings: 18 psig for day and 25 psig for night. Follow standard HVAC best practices for pneumatic thermostat mounting and tubing to avoid leaks.

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 dual-temperature thermostats. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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