Laars Heating Systems 2400-040 Flame Holder Assembly 318423-701 OEM kits typically include the

OEM kits typically include the necessary perimeter gasket or specialized mounting hardware required to maintain a gas-tight seal against the collector box

The unit requires specific starting components

and high-draw smart thermostats without inductive voltage sag

Common Questions How do I adjust the auxiliary switch on the LF120-S

first verify 120V and 24V supply to the board

Laars Heating Systems 2400-040 Flame Holder Assembly 318423-701 OEM kits typically include theThe Laars Heating Systems 2400 040 Flame Holder Assembly is a critical OEM combustion component engineered for high efficiency thermal performance in H, HW, and HP series boilers. Designed to stabilize the burner flame and ensure uniform heat distribution across the heat exchanger, this assembly is vital for maintaining the combustion efficiency required in commercial and residential hydronic applications. The 2400 040 features a robust flame holder