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Modulating Temperature Controller, 55 F to 175 F (20 Ft Capillary)
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T991A1194 has been discontinued
Discontinued December 19, 2025
This product was discontinued by the manufacturer.
MANUALS (1)
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Suggested Alternative:
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Product Highlights
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24V, 24 VAC to 30 VAC
175°F Max Temp
55°F Min Temp
Gray
5-5/8"
2-1/4" Depth
Description
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For modulating control of water or air temperature in ducts, tanks and similar applications.
Features
Specifications
Features
- 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.
Specifications
- Description: Modulating Temperature Controller, 55 F to 175 F
- Application: Provide modulating control of water or air temperature in ducts or tanks
- Type: Modulating Remote bulb
- Output Type: Analog
- Analog Output: One 135 Ohm Potentiometer
- Voltage: 24 Vac to 30 Vac
- Frequency: 60 Hz
- Frequency: 50 Hz
- Color: Gray
- Dimensions (in.): 5-5/8 in. high x 2 in. wide x 2-1/4 in. deep
- Sensor Element: Copper bulb
- Number of Sensor Inputs: 1
- Capillary Length (ft): 20 ft
- Bulb Size (in.): 1/2 in. diameter x 4-3/16 in. long
- Setpoint Temperature Range (F): 55 F to 175 F
- Maximum Operating Temperature (F): 200 F
- Throttling Range (F): 3 F to 30 F
Specs
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| Capillary Length: | 20' |
|---|---|
| Application: | Modulating Temperature |
| Output: | Analog One 135 Ohm Potentiometer |
| Voltage: | 24V 24 VAC to 30 VAC |
| Hertz: | 60 50 |
| Color: | Gray |
| Height: | 5-5/8" |
| Width: | 2" |
| Depth (Inches): | 2-1/4" |
| Sensor Type: | Copper Bulb |
| Bulb Size: | 1/2" x 3-9/16" |
| Min Temp (F): | 55°F |
| Temperature Range (F): | 55°F to 175°F |
| Max Temp (F): | 175°F |
| Max Operating Temp: | 200°F |
| Throttling Range: | 3.5°F to 36°F |
Questions?
Speak with a real person who will go out of the way to help!
Call or text 888-757-4774
Monday – Thursday
8am–7:45pm
Friday
9am–7:45pm
Saturday – Sunday
9am–5:45pm
1 Replacement Part
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Product Reviews
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Showing 1-1 of 1 reviews
Glad it was still available
These are getting harder to find for this old equipment so I was so glad you had one and I was able to get it quick and get the furnace back up and running on the tennis courts at the club
ERS
Utah
7 months ago
Verified Buyer
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