What does 'Direct Acting' mean for this model

If power is present but the gears visible through the inspection window are not moving

ensuring the precise fuel-to-air mixture required for clean combustion

Its compact footprint and brass body construction facilitate straightforward installation in tight mechanical headers while maintaining the structural integrity required for high-pressure differentials

sacrificing itself to preserve the glass-lined steel tank

Heil Quaker ICP 1186064 Harness Assembly 326070-701 What does 'Direct Acting' meanThe Heil Quaker ICP 1186064 Harness Assembly is a critical OEM replacement part designed for high efficiency gas furnaces and air handlers. This main wire harness serves as the central electrical nervous system for your HVAC unit, connecting the primary integrated furnace control (IFC) board to essential safety components and actuators. Engineered for precision compatibility, it replaces older part numbers 1184506 and 1184952, ensuring seamless