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Modulating Temperature Controller, 0 F to 100 F (5 Ft Capillary)
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T991A1004 has been discontinued
Discontinued March 18, 2026
This product was discontinued by the manufacturer.
MANUALS (1)
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Product Highlights
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24V, 24 VAC to 30 VAC
0° to 100°F, 100°F Max 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, 0 F to 100 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): 5 ft
- Bulb Size (in.): 1/2 in. diameter x 4-3/16 in. long
- Setpoint Temperature Range (F): 0 F to 100 F
- Maximum Operating Temperature (F): 125 F
- Throttling Range (F): 3 F to 30 F
Specs
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| Application: | Modulating Temperature |
|---|---|
| Output: | One 135 Ohm Potentiometer Analog |
| Voltage: | 24V 24 VAC to 30 VAC |
| Hertz: | 50 60 |
| Color: | Gray |
| Height: | 5-5/8" |
| Width: | 2" |
| Depth (Inches): | 2-1/4" |
| Sensor Type: | Copper Bulb |
| Sensor Inputs: | 1 |
| Capillary Length: | 5 ft. |
| Bulb Size: | 1/2" x 4-3/16" |
| Max Temp (F): | 0° to 100°F 100°F |
| Max Operating Temp: | 125°F |
| Throttling Range: | 3°F to 30°F |
Questions?
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Call or text 888-757-4774
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Saturday – Sunday
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1 Replacement Part
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Product Q&A
1 Question1 Question
Q: can I get other thermocouple bulbs
Asked by bill 8 years ago
Add your answer
Verified Reply- SupplyHouse StaffThe bulbs are not repair or replaceable, if you need or want another you would have to purchase another unit.
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