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CARRIER Auto Limit Switch: Mfr Part # HH12ZB200 - Replacement HVACR Controls, Switches & Thermostats
CARRIERReplacement HVACR Controls, Switches & Thermostats

CARRIER Auto Limit Switch: Mfr Part # HH12ZB200

SKU 3G-OTH-79416

Brand
CARRIER
Item
Auto Limit Switch: Mfr Part # HH12ZB200
Category
Replacement HVACR Controls, Switches & Thermostats
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Technical Specifications

CARRIER
Manufacturer Part Number
HH12ZB200
Product Type
Limit Control
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CARRIER Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is a Carrier HH12ZB200 auto limit switch used for?

The Carrier HH12ZB200 auto limit switch is a replacement HVACR control that monitors temperature in heating systems. It automatically shuts off the burner or fan if overheating occurs, protecting equipment and ensuring safe operation in residential and commercial furnaces.

What are the specifications of the Carrier HH12ZB200 limit switch?

The Carrier HH12ZB200 is a limit control with manufacturer part number HH12ZB200. It is designed as a direct replacement for Carrier HVAC systems. For exact electrical ratings and temperature settings, consult the original equipment manual or contact 3G Electric for verified specifications.

Where to buy a Carrier HH12ZB200 limit switch worldwide?

3G Electric supplies the Carrier HH12ZB200 auto limit switch to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source genuine Carrier replacement controls and support your procurement from order to arrival.

How to install a Carrier HH12ZB200 auto limit switch?

Install the Carrier HH12ZB200 limit switch by first disconnecting power to the HVAC system. Mount the switch in the same location as the original, ensuring proper sensor placement in the airstream. Reconnect wiring per the manufacturer's diagram and test operation before restoring full system power.

Used in

Common applications for CARRIER
Commercial rooftop HVAC maintenance — Carrier heat exchanger kit 48GS660004 for replacing failed heat exchangers in packaged units.
Refrigeration system servicing — Carrier synthetic oil P903-2301 for lubricating compressors in HFC-based commercial refrigeration.
HVAC control system repair — Carrier blower control board HH84AA017 for restoring fan operation in air handlers.
Gas furnace safety inspection — Carrier rollout switch HH18HA449 for replacing faulty safety switches in heating systems.
Condenser unit overhaul — Carrier condenser fan blade 30GX660017 for replacing damaged blades in outdoor condensing units.
Compressor protection — Carrier crankcase heater HT31AZ121 for preventing liquid slugging in compressors during off-cycles.

CARRIER Products

3G Electric supplies CARRIER replacement hvacr controls, switches & thermostats. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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