CARRIER Thermostatic Expansion Valve: 30RA502112 Mfr Part #
SKU 3G-OTH-82918
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Frequently Asked Questions
What is a Carrier thermostatic expansion valve used for?
A Carrier thermostatic expansion valve regulates refrigerant flow into the evaporator based on superheat, ensuring efficient cooling in HVACR systems. It is critical for precise temperature control in commercial and industrial refrigeration, air conditioning, and heat pump applications.
What are the specifications of the Carrier 30RA502112 thermostatic expansion valve?
The Carrier 30RA502112 is a thermostatic expansion valve with manufacturer part number 30RA502112. It is designed for use in HVACR systems to meter refrigerant flow. For exact capacity, pressure, and connection details, consult the OEM datasheet or contact 3G Electric for technical support.
Where to buy a Carrier 30RA502112 thermostatic expansion valve worldwide?
3G Electric supplies the Carrier 30RA502112 thermostatic expansion valve to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact our team for a quote and lead time on this genuine Carrier part.
How to install a Carrier thermostatic expansion valve?
Install the Carrier thermostatic expansion valve in the liquid line before the evaporator, ensuring proper orientation and bulb placement for accurate superheat sensing. Follow standard HVACR best practices: braze with nitrogen flow, evacuate the system, and adjust superheat per manufacturer specifications.
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3G Electric supplies CARRIER replacement hvacr pumps, valves & tubing. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.






