S1-R72DB0004 York - Source 1 TXV, MORTEX COIL Kit 

The S1-R72DB0004 is a genuine York / Source 1 TXV (Thermal Expansion Valve) Kit designed for Mortex-built cased and uncased A‑coils, slab coils, and mobile home coils used across York, Coleman, Luxaire, and Guardian equipment lines. It regulates refrigerant flow into the evaporator coil, improving superheat control, system efficiency, and compressor protection.

• Refrigerant: R-410A

• Application: Mortex coils used in York/Coleman/Luxaire systems

• Inlet/Outlet: OEM matched to Mortex distributor assemblies

• Includes:

  • TXV

  • Sensing bulb

  • Equalizer line

  • Mounting hardware

  • Distributor fitting adapters (Mortex-specific)

🔧 Cross Reference / Replaces

• R72DB0004

• R72DB0004S

• Mortex OEM TXV assemblies for R‑410A coils

• York / Source 1 TXV kits for mobile home coils (various Mortex coil models)

• Compatible with many Mortex coil families:

  • C36, C42, C48, C60 series

  • Mortex 9421, Mortex 9422, Mortex 9430 coil assemblies

  • York/Coleman mobile home coils using Mortex distributors

S1-R72DB0004 York / Source 1 TXV Kit — For Mortex Coils (R‑410A) This genuine OEM TXV kit is engineered for Mortex-built evaporator coils used in York, Coleman, Luxaire, and Guardian systems. Provides precise refrigerant metering, improved superheat control, and reliable system performance. Includes valve, sensing bulb, equalizer line, and Mortex-specific distributor fittings. Ideal for mobile home and residential split systems using R‑410A.

🔧 Frequently Bought Together

• York S1-026-40804-000 (R‑410A filter drier)

• York S1-373-19832-000 (hard start kit)

• Mortex distributor assembly kits

• York/Coleman mobile home coil drain pan kits