070 piston is correct for my unit

Operating at a synchronous 1800RPM (1770RPM nameplate speed) and designed for 230/460V dual-voltage systems

Durable Construction: High-grade materials resist corrosion and handle the pressure demands of 4-ton HVAC systems

often caused by degraded flame rectification circuits within the module

and plumbing-grade lubricant

Heil Quaker ICP 1178358 Control Board 318820-201 070 piston is correct forThe Heil Quaker ICP 1178358 Control Board is a critical replacement component designed for high performance management of heating, cooling, and ventilation cycles in residential and commercial HVAC applications. As a primary central processing unit, this integrated furnace control board (IFC) regulates the 115V and 24V signal distribution to the blower motor, ignitor, and gas valve, ensuring timing accuracy and consistent system operation. Built with