Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

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

CARRIER Auto Limit Switch: Mfr Part # HH12ZB200

CARRIER Replacement HVACR Controls, Switches & Thermostats. Specifications: Product Type: Limit Control.

SKU 3G-OTH-79416

Brand
CARRIER
Item
Auto Limit Switch: Mfr Part # HH12ZB200
Category
Replacement HVACR Controls, Switches & Thermostats
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

CARRIER
Manufacturer Part Number
HH12ZB200
Product Type
Limit Control

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

CARRIER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

CARRIER Replacement HVACR Controls, Switches & Thermostats. Specifications: Product Type: Limit Control.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
CARRIER Auto Limit Switch: Mfr Part # HH12ZB250
CARRIER
CARRIER Auto Limit Switch: Mfr Part # HH12ZB250
CARRIER Limit Switch: Mfr Part # HH12ZB220
CARRIER
CARRIER Limit Switch: Mfr Part # HH12ZB220
CARRIER Auto Limit Switch: Mfr Part # HH12ZB170
CARRIER
CARRIER Auto Limit Switch: Mfr Part # HH12ZB170
CARRIER Auto Limit Switch: Mfr Part # HH18HA138
CARRIER
CARRIER Auto Limit Switch: Mfr Part # HH18HA138
CARRIER Auto Limit Switch: Mfr Part # HH18HA499
CARRIER
CARRIER Auto Limit Switch: Mfr Part # HH18HA499
CARRIER Limit Switch: Mfr Part # HH18HA416
CARRIER
CARRIER Limit Switch: Mfr Part # HH18HA416

More from CARRIER

View all CARRIER parts
This Navigator Display Module serves as a user interface for commercial HVAC systems, allowing monitoring and adjustment of system parameters, diagnostics, and operational settings. It is designed as a replacement component for Carrier HVACR control systems
CARRIER
This Navigator Display Module serves as a user interface for commercial HVAC systems, allowing monitoring and adjustment of system parameters, diagnostics, and operational settings. It is designed as a replacement component for Carrier HVACR control systems
Flame sensor for HVAC systems, used to detect flame presence during burner operation. Sends signal to control board to maintain gas valve open. Suitable for commercial furnaces, rooftop units, and boilers
CARRIER
Flame sensor for HVAC systems, used to detect flame presence during burner operation. Sends signal to control board to maintain gas valve open. Suitable for commercial furnaces, rooftop units, and boilers
Rectifier time delay control board for HVACR systems. Manages timing of electrical signals to sequence components such as compressors and fans. Used as a replacement part in commercial and industrial heating, ventilation, air conditioning, and refrigeration applications
CARRIER
Rectifier time delay control board for HVACR systems. Manages timing of electrical signals to sequence components such as compressors and fans. Used as a replacement part in commercial and industrial heating, ventilation, air conditioning, and refrigeration applications
The CARRIER HK38EA004 is a furnace control board that manages ignition sequencing, blower timing, and safety functions in gas furnaces. It serves as a direct replacement part for HVAC systems requiring this specific board to restore proper heating operation
CARRIER
The CARRIER HK38EA004 is a furnace control board that manages ignition sequencing, blower timing, and safety functions in gas furnaces. It serves as a direct replacement part for HVAC systems requiring this specific board to restore proper heating operation
This pressure switch monitors and controls refrigerant or air pressure in HVACR systems. It opens or closes electrical contacts at preset thresholds to protect compressors and other components. Suitable for use in commercial and residential HVAC applications
CARRIER
This pressure switch monitors and controls refrigerant or air pressure in HVACR systems. It opens or closes electrical contacts at preset thresholds to protect compressors and other components. Suitable for use in commercial and residential HVAC applications
Compressor diagnostic module for monitoring and diagnosing compressor performance in HVACR systems. Assists technicians in identifying electrical and mechanical faults to reduce troubleshooting time and prevent unnecessary compressor replacements
CARRIER
Compressor diagnostic module for monitoring and diagnosing compressor performance in HVACR systems. Assists technicians in identifying electrical and mechanical faults to reduce troubleshooting time and prevent unnecessary compressor replacements
Replacement furnace control board for managing ignition sequencing, blower timing, and limit circuit monitoring in gas furnaces. Direct replacement part for maintaining proper heating system operation
CARRIER
Replacement furnace control board for managing ignition sequencing, blower timing, and limit circuit monitoring in gas furnaces. Direct replacement part for maintaining proper heating system operation
Relay-phase monitor for HVACR equipment. Detects phase loss, phase reversal, and undervoltage conditions to protect compressors and motors from electrical faults. Suitable for commercial and industrial HVAC systems
CARRIER
Relay-phase monitor for HVACR equipment. Detects phase loss, phase reversal, and undervoltage conditions to protect compressors and motors from electrical faults. Suitable for commercial and industrial HVAC systems