Lennox 17H03 is a Robertshaw 780-001 universal ignition control module engineered to provide reliable and consistent ignition performance in gas furnace applications. Designed as part of the Robertshaw 780 Series Pilot Controls Uni-Kits, this non-lockout ignition control features an advanced flame sense circuit that operates effectively in both one-rod (local sense) and two-rod (remote sense) ignition systems, making it a versatile OEM replacement option.

This ignition control module helps simplify service and installation by replacing multiple ignition control configurations with a single universal solution. It reduces truck stock inventory for HVAC professionals while maintaining dependable burner operation and safe ignition sequencing. The unit includes a vent damper adapter assembly and is supplied with detailed installation instructions for straightforward setup.

The Lennox 17H03 Robertshaw 780-001 ignition control is built to handle demanding operating conditions, supporting stable performance across a wide temperature range and high relative humidity. It is well suited for restoring proper ignition function in compatible Lennox gas furnaces and other HVAC systems requiring a universal non-lockout ignition control.

Brand: Robertshaw
Catalog Number: 17H03
Model / Part Number: 780-001
Type: Universal Ignition Control Module, Non-Lockout
Base Unit of Measure: Unit(s)
Gross Weight: 1.2 lb

Key specifications include a spark rate of 3 to 4 sparks per second, flame sense current of 0.7 mA DC at 25°C, and a maximum total current load of 1.5 amps. The control supports a transformer input of 24V AC, 20 VA, operates at 50/60 Hz, and is rated for temperatures from -40°F to 175°F, making it a durable and dependable OEM HVAC replacement part optimized for long-term performance.