The Lennox 19H89 Night Service Kit (605927-38) is an OEM maintenance and repair kit engineered specifically for Lennox ML180V gas furnaces. This factory-authorized service kit is designed for overnight or emergency service scenarios, providing technicians with all critical ignition and control components needed to restore furnace operation quickly and reliably.

This kit includes genuine Lennox parts selected to address common service and wear items within the ML180V platform. By replacing key ignition, sensing, and control components at once, the 19H89 Night Service Kit helps reduce repeat service calls, improve system reliability, and ensure safe furnace operation. All components are matched to Lennox specifications for proper fit, electrical compatibility, and long-term performance.

Ideal for professional HVAC contractors and service technicians, the Lennox 19H89 kit supports efficient troubleshooting and preventative maintenance. Using an OEM service kit helps maintain manufacturer compliance, protect equipment longevity, and ensure dependable heating performance during peak demand periods.

Kit contents include:
Ignition Control Board 105716-01 (17Y92)
Hot Surface Igniter LB-112237B (70W16)
Flame Sensor LB-74940B (69W43)
Gas Valve 103181-01 (77W04)
Transformer 42J3201 (42J32)
Service Manual (Upflow) CORP-1909-L6

Brand: Lennox
Catalog Number: 19H89
Model / Part Number: 605927-38
Type: Night Service Kit for Lennox ML180V
Base Unit of Measure: Unit(s)
Gross Weight: 3.5 lb