CARRIER Crankcase Heater: 120V AC, 63 in Lead Lg, 200 W, 0.38 in Thick
The CARRIER HT31AZ121 is a 200 W crankcase heater designed for 120V AC operation. It features a 0.38-inch thickness and includes 63-inch lead length. This component is a CARRIER-branded replacement part for…
SKU 3G-OTH-59804
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Product Description
The CARRIER HT31AZ121 is a 200 W crankcase heater designed for 120V AC operation. It features a 0.38-inch thickness and includes 63-inch lead length. This component is a CARRIER-branded replacement part for maintaining proper oil temperature in compatible compressors.
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 HT31AZ121 crankcase heater used for?
The CARRIER HT31AZ121 crankcase heater is used to maintain proper oil temperature in compatible compressors, preventing refrigerant migration and ensuring reliable compressor startup. It is a 200 W, 120V AC replacement part commonly applied in HVAC and refrigeration systems.
What are the specifications of the CARRIER HT31AZ121 crankcase heater?
The CARRIER HT31AZ121 crankcase heater operates at 120V AC with a power rating of 200 W. It has a 0.38-inch thickness and a 63-inch lead length. This CARRIER-branded component is designed as a direct replacement for maintaining compressor oil temperature.
Where to buy the CARRIER HT31AZ121 crankcase heater worldwide?
3G Electric supplies the CARRIER HT31AZ121 crankcase heater worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this CARRIER replacement part.
How to install the CARRIER HT31AZ121 crankcase heater?
To install the CARRIER HT31AZ121 crankcase heater, ensure power is disconnected. Wrap the heater snugly around the compressor sump, securing it with the provided clamps. Connect the 63-inch leads to a 120V AC supply. Verify proper contact for efficient heat transfer to maintain oil temperature.
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3G Electric supplies CARRIER crankcase heaters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









