Product Overview

www.usa.siemens.com/hvaccomponents
Thermostats
A-21
356 Limitem Rigid Bulb Thermostat.
Description
The 356 Limitem Rigid Bulb Thermostat is a pneumatically-
operated, duct-mounted thermostat, which is available in
either direct or reverse acting in a variety of ranges.
Features
• Durable copper motor tube and steel rod temperature
sensing element
• Two-valve design reduces air waste
• Duct mounting hardware included
• All metal construction
• 18" (46 cm) sensing tube
Applications
The 356 Limitem Rigid Bulb Thermostat provides primary
control for unit ventilators, fan coils and other air handling
units. Can also be used as low limit control for air fl ow to a
controlled space.
Application Drawings
Dotted lines are alternative control schemes.
2-pipe.
1-pipe.
356
Limitem Rigid Bulb Thermostats