Siemens 134 Low Temperature HVAC Thermostat – Product Spotlight

Siemens 134 Electric Low Temperature Detection Thermostat is an HVAC temperature controller that uses single pole, double throw switch technology to detect potential freeze-up conditions of heating coils, cooling coils, liquid heating pipes and similar applications.

 

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Siemens 134 Low Temperature HVAC Controllers, available at Galco.com! Pictured is the 134-1504 model, detecting temperatures from 15 to 55°C.

 

Any one foot of the capillary element on this remote bulb instrument actuates the thermostat switch, making this control solution ideal for the protection of large coils where air stratification could cause localized freezing conditions.

The compact and durable controller features concealed, adjustable low and high range limit stops with a fixed differential, and either manual or automatic reset. These controllers can switch 120 V or 20 VAC.

The copper capillary tube is electroplated for enhanced sensitivity and durability, detecting temperatures across ranges:

  • 15° to 55°F (manual reset action)
  • 35° to 45°F (manual or automatic reset action)

The 134 controller can be configured to open on rise – Red to Yellow opens on temperature decrease below the set point, and Red to Blue closes on temperature decrease below the set point – and close on rise – Red to Blue closes on temperature decrease below the set point, and Red to Yellow opens on temperature decrease below the setpoint.

For more information about Siemens 134 Low Temperature HVAC Controller, contact our experts today!

 

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