Check your unit's data plate

and Barber-Colman 2473 series actuators

This 2-way pilot-operated valve is optimized for a steam pressure range of 1 to 50 PSI

or the display showing "No Display" due to a blown F3/F5 fuse on the board circuit

causing intermittent "Limit Switch Open" error codes (typically 4 or 11 red flashes) and premature system shutdowns

Maxon 1072451 Plug 340155-7026 Check your unit's data plateThe Maxon 1072451 Igniter Spark Plug is a critical industrial combustion component designed for high performance ignition in Maxon burner assemblies and heavy duty furnaces. Engineering grade materials allow this industrial spark ignitor to withstand the extreme thermal cycling and high pressure environments common in process heating applications. Pro tier construction ensures a consistent and powerful electrical arc, which is vital for maintaining