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Common Questions Is the S1-FNQR5 a direct cross for the Bussmann FNQ-R-5
For the most accurate temperature regulation
Designed for condensing units and heat pumps
it maintains a positive seal in general-purpose gas flow management
Trane VAL19485 Expansion Valve L99H008 Common Questions Is the S1-FNQR5The Trane VAL19485 is a professional grade thermostatic expansion valve (TXV) engineered for precision refrigerant metering in 1 ton residential and light commercial HVAC systems. This OEM Trane replacement part features 3 8" x 1 2" ODF connections, facilitating a robust solder joint for reliable, leak free performance. Designed specifically for R 410A refrigerant applications, this valve utilizes a 2. 8% bleed port to assist with pressure
