Product Overview

www.usa.siemens.com/hvaccomponents
Thermostats
A-23
357 D Limitem Remote
Thermostat with an average bulb.
Description
The 357 D Limitem Remote Bulb Thermostat is a
pneumatically-operated thermostat that is gradual, direct
acting with a remote or averaging bulb.
Features
• Direct acting only
• Remote or averaging bulbs for fl exibility in installation
• Liquid-fi lled sensing element for rapid response to
temperature changes
• Two-valve design reduces air waste
• Adjustable sensitivity
Applications
The 357 D Limitem Remote Bulb Thermostat provides
primary monitoring and control for air handling units or a
low limit control.
Application Drawings
Dotted lines are alternative control schemes.
2-pipe.
1-pipe.
357 D
Limitem Remote Bulb Thermostats