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What is the difference between this and the P170 series
medium is blue
When installed according to manufacturer specifications in a standard 3
and audible buzzing or humming originating from the core assembly
Marvair 20509 TXV Valve 340155-7026 What is the difference betweenThe Marvair 20509 TXV Valve is a high precision thermostatic expansion valve engineered for 3 ton HVAC systems, providing critical refrigerant metering for both commercial and residential applications. Featuring a 3 8 inch by 5 8 inch ODF connection, this thermal expansion valve is designed to stabilize superheat by accurately modulating refrigerant flow into the evaporator coil. As the official replacement TXV valve and direct updated version for
US$ 999.50
US$ 999.50
US$ 900.00