Use standard HVAC brazing practices with a nitrogen purge to prevent oxidation

While designed for Sterling and Beacon Morris

Built for versatile integration

ensuring the inducer motor or venter assembly is moving sufficient combustion air before allow the gas valve to energize

the Weil-McLain 560-528-998 LP Gas Orifice is a critical component for ensuring precise stoichiometric combustion in propane-fired applications

Robertshaw 780-790 HSI Module Freon Use standard HVAC brazing practicesFor field techs dealing with intermittent ignition failures or flame sensing issues on gas fired heating systems, the Robertshaw 780 790 HSI Module provides a reliable, direct replacement solution. This hot surface ignition control is engineered to drop into tight control cabinets, serving as the primary replacement for the HS780 17NL 304A as well as the 104A and 108A variants. Operating on a standard 120V AC ignition system, the module features a