Siemens Combustion LFL1.335 Control 320074-702 High-Durability Construction: Manufactured with materials

High-Durability Construction: Manufactured with materials resistant to thermal stress and chemical corrosion common in closed-loop systems

Enhanced Signal Integrity: High-quality terminal construction reduces electromagnetic interference (EMI) within the control circuit

and Luxaire downflow gas furnaces

Critical Safety Compliance: Engineered to the 167C/333F specification required to prevent heat exchanger damage or fire hazards

or debris buildup in the blower wheel

Siemens Combustion LFL1.335 Control 320074-702 High-Durability Construction: Manufactured with materialsThe Siemens Combustion LFL1. 335 Control is a rugged, electro mechanical primary flame safeguard engineered for the management of medium to high capacity forced draft burners. Designed specifically for 220V gas burner control applications, this unit provides precise sequencing for multistage or modulating systems across gas, oil, or dual fuel configurations. It features a fixed 37 second pre purge time (t1) and a 2. 5 second safety time (TSA),