Heil Quaker ICP 1012420 Box Board 318973-401 While the operating set point

While the operating set point is limited to 50" W

cadmium-free brazing filler metal engineered specifically for high-integrity repairs on aluminum components

Durable Construction: High-grade insulation protects against abrasion and heat degradation in the burner compartment

you must use the supplied 7/16" nut for your 1/4" tubing

Heil Quaker ICP 1012420 Box Board 318973-401 While the operating set pointThe Heil Quaker ICP 1012420 Box Board is a critical OEM replacement part designed for high efficiency furnace applications. This Insulating C Box Board serves as a thermal barrier within the furnace collector box, preventing heat loss and protecting internal chassis components from extreme temperature fluctuations. Engineered for durability, this ICP furnace insulation board ensures the unit maintains optimal combustion efficiency and prevents cabinet