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The 669821 is a 4-ton TXV valve designed for 48
R-134a) to complete the oil change
and temperature feedback
it is designed with the specific 1/4 inch SAE fitting required for standard Carrier chiller ports
Reznor 270378 Gas Valve 322838-754 The 669821 is a 4-tonThe Reznor 270378 Gas Valve is a direct replacement gas control for high efficiency commercial and industrial HVAC systems, specifically designed for 24V applications. As a single stage gas valve, it manages the flow of natural gas with precision, maintaining a fixed 3. 5" WC (water column) outlet pressure to ensure stable combustion and optimal heat exchanger performance. Built for reliability in demanding environments, this OEM component is
US$ 30.60
US$ 155.00