Trane 4AYTXVH3G4248A TXV R-134A paired with a trimmable guide

paired with a trimmable guide rod

This is a standard 8x9x9 control board kit designed to fit into existing HVAC control panels and typically utilizes the original mounting footprint

Durable Standing Pilot Design: Optimized for older standing pilot furnace systems common in manufactured housing

Technicians should check for continuity between terminals 1 and 2 (normally closed)

This model utilizes a metal-to-metal seat (bronze trim) which is the industry standard for 15 PSI steam applications to ensure longevity against high temperatures

Trane 4AYTXVH3G4248A TXV R-134A paired with a trimmable guideFor service technicians managing light commercial or residential split systems, the Trane 4AYTXVH3G4248A TXV is a direct OEM solution engineered for high precision refrigerant metering. This 3 4 ton R410A expansion valve maintains optimal evaporator superheat by utilizing a balanced port design, which effectively negates the influence of varying liquid pressures. Whether you are performing a TXV replacement on a standard air conditioner or a high