Laars Heating Systems 2400-441 Module 326058-756 Designed with a dual-blade configuration

Designed with a dual-blade configuration

The Lennox 52M46 Control Board

The Watts 0383942 (Model 740-1 1/2-75) is a high-capacity ASME Section IV safety relief valve engineered specifically for liquid-filled hot water heating boilers and storage tanks

while the SPDT contacts are wired in series with the burner circuit or magnetic starter to break the circuit when the liquid falls below the probe level

Laars Heating Systems 2400-441 Module 326058-756 Designed with a dual-blade configurationThe Laars 2400 441 Ignition Module is a critical 24V intermittent pilot ignition control engineered for reliable sequence management in high efficiency Laars heating systems. This heavy duty integrated furnace control features a 7 second pre purge (PP) cycle and an integrated pilot (IP) protocol to ensure safe combustion startup. Designed with a 9 second trial for ignition (TFI) windows, the 2400 441 provides precise flame rectification and