HONEYWELL T991B1003 TEMPERATURE CONTROLS
HONEYWELL Honeywell T991B1003 Modulating Temperature Reset Controller 70 F to 140 F
HONEYWELL T991B1003 TEMPERATURE CONTROLS
Honeywell T991B1003 Modulating Temperature Reset Controller 70 F to 140 F

Honeywell T991B1003 Modulating Temperature Reset Controller 70 F to 140 F

HONEYWELL
Brand: HONEYWELL
SKU: T991B1003
Availability: Out Of Stock
Same-day delivery
Greater Boston, MA area
If ordered prior to 4pm ET (Mon-Fri)
Call for Pricing Call for pricing (215) 326-9845
Call for Pricing Call for pricing (215) 326-9845
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Description

Product Description

The Honeywell T991B1003 is a Modulating Temperature Reset Controller that automatically adjusts the heating medium control point based on outdoor temperature changes. It is designed to provide precise temperature control for air or liquid.

  • Automatically raises the heating medium control point as outdoor temperature falls
  • Equipped with a 135-ohm potentiometer for proportional heating control
  • Built with a durable copper bulb sensor element

Product Highlights

This controller ensures consistent temperature regulation with its 1:1 reset ratio and dual sensor inputs for both indoor and outdoor environments. It is reliable for various industrial applications.

Product Information

Standard Information

  • Brand: Honeywell
  • MPN: T991B1003
Technical Specifications
Description
Modulating Temperature Reset Controller, 70 F to 140 F
Application
Provide modulating control of water or air temperature in ducts or tanks, setpoint automatically reset as outdoor temperature changes
Type
Modulating Remote
Output Type
Analog
Analog Output
One 135 Ohm Potentiometer
Reset Ratio
1.0 to 1.0
Voltage
24 Vac to 30 Vac
Frequency
50 Hz, 60 Hz
Dimensions
5-5/8 inches high x 2 inches wide x 2-1/4 inches deep
Sensor Element
Copper bulb
Number of Sensor Inputs
2
Capillary Length
Indoor: 10 ft, Outdoor: 30 ft
Bulb Size
1/2 inch diameter x 4 inches long
Setpoint Temperature Range
70 F to 140 F
Maximum Operating Temperature
125 F
Throttling Range
3 F to 10 F
Comments
Indoor bulb temperature plus outdoor bulb temperature must not exceed 265 F (129 C)

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