Honeywell T991A21 Insertion Thermostat 100 Degrees Fahrenheit

The Honeywell T991A21 Insertion Thermostat is a reliable industrial-grade temperature control device designed for HVAC and commercial applications. Built for accurate temperature sensing up to 100 degrees Fahrenheit, this thermostat uses an insertion-style remote bulb and capillary tube to monitor temperatures in ducts, tanks, or piping systems. Known for Honeywell’s durable construction and dependable performance, the T991A21 is ideal for maintaining consistent temperature control in heating and cooling equipment and is commonly used as a replacement or upgrade in existing systems.
Specifications:
Brand: Honeywell

Model: T991A21

Type: Insertion Thermostat / Temperature Controller

Temperature Range: Up to 100°F

Sensing Method: Remote insertion bulb with capillary tube

Application: HVAC, industrial, and commercial temperature control

Mounting Style: Insertion / immersion

Construction: Industrial-grade metal housing

Condition: NEW Open Box

Included: Thermostat only, no additional accessories unless shown
Brand: Honeywell
Brand: Honeywell
Model: T991A21
Model: T991A21
Type: Insertion Thermostat / Temperature Controller
Type: Insertion Thermostat / Temperature Controller
Temperature Range: Up to 100°F
Temperature Range: Up to 100°F
Sensing Method: Remote insertion bulb with capillary tube
Sensing Method: Remote insertion bulb with capillary tube
Application: HVAC, industrial, and commercial temperature control
Application: HVAC, industrial, and commercial temperature control
Mounting Style: Insertion / immersion
Mounting Style: Insertion / immersion
Construction: Industrial-grade metal housing
Construction: Industrial-grade metal housing
Condition: NEW Open Box
Condition: NEW Open Box
Included: Thermostat only, no additional accessories unless shown
Included: Thermostat only, no additional accessories unless shown

Weight: 5 lbs
Dimensions: 13 × 5 × 2 in