Description
The Crandall TK-6124-CSS Pneumatic Bulb Thermostat is a heavy-duty control device designed for two-pipe pneumatic HVAC systems requiring wide-range temperature sensing. This thermostat uses a pressure-sensing bulb and capillary tube to detect ambient conditions from -20°F to 240°F and provides reverse-acting control output as temperature changes. Built to Crandall specifications, it features a robust straight bulb and long capillary that deliver reliable performance even in demanding applications. Ideal for HVAC technicians and controls contractors, it supports dependable pneumatic control and precise temperature regulation across extended operating ranges. Its construction and sensing design make it suitable for installations on air handling units, rooftop units, and other equipment requiring extended sensing reach.
Key Features
- Pneumatic bulb thermostat with a wide operating range from -20°F to 240°F
- Two-pipe reverse acting control for traditional pneumatic systems
- Straight sensing bulb and 6-foot capillary for extended reach and stable sensing
- Designed to deliver repeatable performance in commercial HVAC applications
- Robust construction supports long-term reliability and reduced service issues
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