Honeywell T991A Temperature Controller, Modulating, 160 - 260 deg F, Copper Bulb Sensor, 1/2 Inch Dia x 4-3/16 Inch L Sensing Bulb, 24/30 VAC, 50/60 Hz, 15 A, Relay Output, Gray, 5-5/8 Inch L x 2 Inch W x 2-1/4 Inch H, Includes: 107324A Duct Bulb Holder
- Fast response models (for duct mounting) have coiled sensing element giving at least four times faster response than standard models
- Ambient temperature compensated for the case and tubing
- Sensing element capillary tubing allows remote mounting of sensing element
- Setpoint may be read and adjusted through cover
- Throttling dial inside case adjusts proportional throttling range
- 1 Relay output
Application: Water Control in Ducts or Tanks