if and how to convert r410a system to r290 , r600. change refrigerant in your AC
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CAN YOU USE R-134A IN A R-290 SYSTEM?
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Refrigerants 410a OUT! R32 IN! Here's Why!
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R32 as a drop in for R410a Compressors
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Charging R-410A Refrigerant into an Air Conditioner! Pressures, Temps, Tips!
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ANALISIS DE LOS REFRIGERANTES R-32 Y R-290 COMO REEMPLAZOS DEL R-410A EN EQUIPOS DE CLIMATIZACION
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R-22 and R-410A Refrigerant Operating Pressures on Air Conditioning Units!
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R-290 Service Training
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