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Remote Bulb Temperature Controllers

T991A Proportional Temperature Controller

T991A proportional temperature controllers provide modulating control of water or air temperatures in ducts, tanks, and similar applications.

T991A Proportional Temperature Controller

T991A proportional temperature controllers provide modulating control of water or air temperatures in ducts, tanks, and similar applications. Standard models have a sensing bulb and capillary; fast-response models have a coiled sensing element that operates at least four times faster than standard controllers, depending upon operating conditions.

Features & Benefits:
  • Compensates for effects of ambient temperature on 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 proportioning range
Image
SKU
Description
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T991A2218/U
Modulating Temperature Controller, 160 to 260F, 6ft Copper Element
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T991A1756/U
Modulating Temperature Controller, 55 to 175F, 5ft Copper Element, Fast Response
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T991A1244/U
Modulating Temperature Controller, 55 to 175F, 5ft Copper Element
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T991A1012/U
Modulating Temperature Controller, 0 to 100F, 20ft Copper Element, Maximum Operating Temperature 125F
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T991A1186/U
Modulating Temperature Controller, 55 to 175F, 5ft Copper Element, Throttling Range, 3 F to 30 F
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T991A1061/U
Modulating Temperature Controller, 160 to 260F, 5ft Copper Element, Maximum Operating Temperature 280 F
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T991A1715/U
Modulating Temperature Controller, 0 to 100F, 5ft Copper Element, Fast Response
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T991A1194/U
Modulating Temperature Controller, 55 to 175F, 20ft Copper Element, Maximum Operating Temperature 200 F
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T991A1426/U
Modulating Temperature Controller, 0 to 100F, 5ft Copper Element
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T991A1350/U
Modulating Temperature Controller, 55 to 175F, 24ft Copper Element