Laars Heating Systems 2400-138 Ignitor/Flame Sensor Assembly 323055-751 Rotating the stem clockwise increases

Rotating the stem clockwise increases the tension on the spring

Does the SGR-80-UKIT require regular maintenance

Direct Fit Compatibility: Specifically designed for Teledyne Laars commercial heaters and boilers

check the flame sensor for carbon buildup or verify 24V output to the gas valve

Laars Heating Systems 2400-138 Ignitor/Flame Sensor Assembly 323055-751 Rotating the stem clockwise increasesThe Laars Heating Systems 2400 138 Ignitor Flame Sensor Assembly is a critical OEM replacement component designed for high efficiency combustion control. Using a silicon carbide glow bar, this assembly provides reliable direct spark ignition and consistent flame rectification for Laars Summit SMB & SMW models, specifically sized at 200 and 250 MBH. As a veteran grade HVAC replacement part, it integrates the igniter and sensor into a single robust