Carrier 298749 HH18HV120 90-120F AUTO Limit Switch

90-120F AUTO Limit Switch

The Carrier HH18HV120 is a 90-120F AUTO Limit Switch. This limit switch is compatible with the following: Air Conditioning Units, Space Heating, AHU, BAYSTAT, DIM2. The limit switch mounts horizontally using a mounting bracket. It features an operational status LED indicator and is UL listed.

The Carrier 298749 HH18HV120 90-120F AUTO Limit Switch is one of the crucial components of the HVAC systems, it helps in controlling the AC temperature. It help by automatically cutting off power to the heating coil when the temperature exceeds 120 degrees Fahrenheit, and turn on power when the temperature drops below 90 degrees Fahrenheit.

The Carrier 298749 HH18HV120 90-120F AUTO Limit Switch provides an efficient solution to save energy and ensure the equipment is operating properly. By eliminating the need for manual temperature adjustment, the potential for human error is eliminated. This ensures that the equipment is operating within ideal parameters at all times, increasing safety and lowering utility costs. The switches are designed for use with central HVAC equipment such as electric heaters, air conditioners and hydronic systems.

The Carrier 298749 HH18HV120 90-120F AUTO Limit Switch is a direct replacement for and an exact alternative to the following brand limit switch models: MTD 755-9084, 955-5475, 955-5479.  This 90 to 120 degree fixed limit switch is designed with a 25 amp/240 volt coil for use with Carrier fan motors starting with part numbers that begin with the prefix of 3TF13640XX. This includes the previous versions of these parts that start with 3TF13640XX.

This Carrier HH18HV120 limit switch features 90-120F temperature range and is made of nylon. This limit switch is designed for 24 VDC, 115-230VAC and is used in most HVAC and OEM systems.

This Carrier switch features a single (1) pole 3-position – on-off-auto position, and the body has a blue rubber boot. Temperature rating is 90 to 120F. A C-13 and C-19 versions of this switch are also available.

The Carrier 298749 HH18HV120 Limit Switch has a wired plug design with 22 to 24 AWG wire with 2 conductor. This is a Manual type with Thermal Element and Internal Coil. It measures 2.75 in L x 4.13 in W x 1.50 in D.