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The 77940 is compatible with all lubricant types
Can I use this for LP gas applications
The NEMA 1 rated enclosure is constructed from rugged plastic and rated for indoor applications
ensuring a consistent air-gas ratio
Nordyne 664343R TXV 322838-754 The 77940 is compatible withAs a veteran tech, you know that keeping a 3 ton system Dialed in requires a precise metering device. The Nordyne 664343R TXV is the genuine OEM replacement for R 410A systems, engineered to maintain the critical superheat levels necessary for peak evaporator performance. Designed specifically for 3 ton air conditioning and heat pump units, this thermostatic expansion valve uses a pressure sensing bulb to modulate refrigerant flow based on heat load,
