Sontay Duct Thermostats ST-D-04M (WAS ST-DS04)
These Duct Thermostats can be used to control the temperature in duct work systems. Liquid filled sensing elements ensure rapid response and accurate switching differentials.
They are available in two types: Control thermostats (auto reset) – with an adjustable setpoint, adjustable differential and auto reset, which provides a switched output to a heater, cooler or controller.
Safety thermostats (manual reset) – with an adjustable setpoint, fixed differential and manual reset, which provides high limit cut-out on boilers etc.
FEATURES
• Robust housing
• Rapid response and accurate switching
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