Description
The Robertshaw 780‑787 Hot Surface Ignition (HSI) Control is purpose‑built to ensure dependable ignition in gas‑fired heating systems. Designed for both OEMs and service professionals, this rugged control unit delivers precise and safe ignition cycles with minimal fuss.
Features:
- Reduces truck stock inventory, saving space and money
- Easy-to-install with complete in-depth installation instructions
- Molded-in terminal barriers between terminals
- Models available for local and remote sense application
- Mounting screw provides a positive ground connection
- Small compact size provides no hassle installation
- Main valve current is 1.5 Amps at 24V AC
- 95% relative humidity noncondensing at 104 °F











