We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

3G Electric
RFQ CartGet a QuoteSign inSign up
CARRIER Defrost Thermostat, Mfr Part # HH18HB031 - Replacement HVACR Controls, Switches & Thermostats
CARRIERReplacement HVACR Controls, Switches & Thermostats

CARRIER Defrost Thermostat, Mfr Part # HH18HB031

CARRIER Replacement HVACR Controls, Switches & Thermostats. Specifications: Product Type: Defrost Thermostat.

SKU 3G-OTH-75194

Brand
CARRIER
Item
Defrost Thermostat, Mfr Part # HH18HB031
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 — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

CARRIER
Manufacturer Part Number
HH18HB031
Product Type
Defrost Thermostat

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: Defrost Thermostat.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the Carrier HH18HB031 defrost thermostat used for?

The Carrier HH18HB031 defrost thermostat is used in HVACR systems to sense coil temperature and terminate the defrost cycle when the coil warms sufficiently. It prevents unnecessary heating and ensures efficient system operation in refrigeration and heat pump applications.

What are the specifications of the Carrier HH18HB031 defrost thermostat?

The Carrier HH18HB031 is a defrost thermostat with manufacturer part number HH18HB031. It is designed as a replacement HVACR control for defrost termination. For detailed electrical ratings and temperature setpoints, consult the product datasheet or contact 3G Electric.

Where to buy Carrier HH18HB031 defrost thermostat worldwide?

You can source the Carrier HH18HB031 defrost thermostat through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to install the Carrier HH18HB031 defrost thermostat?

To install the Carrier HH18HB031 defrost thermostat, first disconnect power. Mount the thermostat on the evaporator coil line, ensuring good thermal contact. Wire according to the system schematic, typically in series with the defrost heater circuit. Test operation after installation.

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
Defrost thermostat for HVACR systems. Senses coil temperature to terminate the defrost cycle when the coil warms sufficiently, preventing unnecessary defrosting. Used in refrigeration and heat pump applications
CARRIER
Defrost thermostat for HVACR systems. Senses coil temperature to terminate the defrost cycle when the coil warms sufficiently, preventing unnecessary defrosting. Used in refrigeration and heat pump applications
Temperature control device for HVAC systems, used to regulate heating and cooling in residential and commercial environments. Designed as a replacement part for Carrier systems
CARRIER
Temperature control device for HVAC systems, used to regulate heating and cooling in residential and commercial environments. Designed as a replacement part for Carrier systems
This indoor thermostat is designed for use in residential and light commercial HVAC systems. It controls heating and cooling equipment by signaling the system to cycle based on the set temperature. Suitable for standard 24 VAC systems, it serves as a replacement control for compatible furnaces, air conditioners, or heat pumps
CARRIER
This indoor thermostat is designed for use in residential and light commercial HVAC systems. It controls heating and cooling equipment by signaling the system to cycle based on the set temperature. Suitable for standard 24 VAC systems, it serves as a replacement control for compatible furnaces, air conditioners, or heat pumps
The CARRIER HH680610 is a step controller designed for commercial refrigeration systems. It manages compressor and defrost cycles to maintain temperature regulation in walk-in coolers, freezers, and display cases
CARRIER
The CARRIER HH680610 is a step controller designed for commercial refrigeration systems. It manages compressor and defrost cycles to maintain temperature regulation in walk-in coolers, freezers, and display cases
This heater accessory breaker provides overcurrent protection for heating elements and controls in HVACR systems. It is designed for use in commercial and industrial heating equipment where reliable circuit protection is required
CARRIER
This heater accessory breaker provides overcurrent protection for heating elements and controls in HVACR systems. It is designed for use in commercial and industrial heating equipment where reliable circuit protection is required
Heater accessory limit switch for HVACR systems. Monitors temperature to prevent overheating in furnaces and air handlers. Interrupts power when temperature exceeds safe limits
CARRIER
Heater accessory limit switch for HVACR systems. Monitors temperature to prevent overheating in furnaces and air handlers. Interrupts power when temperature exceeds safe limits

More from CARRIER

View all CARRIER parts →
Programmable thermostat with 3 heat and 2 cool stages. Suitable for use in HVAC systems requiring scheduled temperature control. Manufacturer part number VST2900SCH
CARRIER
Programmable thermostat with 3 heat and 2 cool stages. Suitable for use in HVAC systems requiring scheduled temperature control. Manufacturer part number VST2900SCH
This pressure switch monitors refrigerant pressure in HVACR systems. It opens or closes electrical contacts at set pressure thresholds to protect compressors. Suitable for use as a replacement control in compatible equipment
CARRIER
This pressure switch monitors refrigerant pressure in HVACR systems. It opens or closes electrical contacts at set pressure thresholds to protect compressors. Suitable for use as a replacement control in compatible equipment
Furnace control board for managing ignition sequencing, blower timing, and safety limit monitoring in gas-fired heating systems. Interprets thermostat signals to coordinate burner operation and fan cycles. Designed as a direct replacement for specific Carrier gas furnace models
CARRIER
Furnace control board for managing ignition sequencing, blower timing, and safety limit monitoring in gas-fired heating systems. Interprets thermostat signals to coordinate burner operation and fan cycles. Designed as a direct replacement for specific Carrier gas furnace models
This rollout switch is a safety device for gas-fired heating equipment. It monitors burner flame rollout and shuts down the system if flames escape the combustion chamber, preventing overheating and fire hazards. Suitable for use in residential and commercial gas furnaces
CARRIER
This rollout switch is a safety device for gas-fired heating equipment. It monitors burner flame rollout and shuts down the system if flames escape the combustion chamber, preventing overheating and fire hazards. Suitable for use in residential and commercial gas furnaces
The CARRIER HH84AA017 blower control board manages fan motor operation in HVAC systems, regulating blower speed and sequencing for heating, cooling, and ventilation cycles. It is a direct replacement part for Carrier equipment, ensuring proper airflow and system efficiency
CARRIER
The CARRIER HH84AA017 blower control board manages fan motor operation in HVAC systems, regulating blower speed and sequencing for heating, cooling, and ventilation cycles. It is a direct replacement part for Carrier equipment, ensuring proper airflow and system efficiency
Replacement ignition module for Carrier HVAC systems. Controls the spark and gas valve sequence to ensure reliable burner ignition in furnaces and heating equipment. Direct replacement part for maintaining system safety and performance
CARRIER
Replacement ignition module for Carrier HVAC systems. Controls the spark and gas valve sequence to ensure reliable burner ignition in furnaces and heating equipment. Direct replacement part for maintaining system safety and performance
Electrode assembly for gas-fired heating equipment. Used to ignite the burner or sense flame in HVACR systems. Direct replacement component for compatible Carrier furnaces and heating units
CARRIER
Electrode assembly for gas-fired heating equipment. Used to ignite the burner or sense flame in HVACR systems. Direct replacement component for compatible Carrier furnaces and heating units
Programmable thermostat for HVAC systems, offering scheduling options of 7, 5, 2, or 1 day. Used to control heating and cooling in residential and commercial applications
CARRIER
Programmable thermostat for HVAC systems, offering scheduling options of 7, 5, 2, or 1 day. Used to control heating and cooling in residential and commercial applications