the A1044R features an integrated Low Fire Start (LFS) function

Often referenced as reaching the same technical specifications as the Aaon 27099 switch

Rated for 230VAC applications

as long as the valve utilizes a standard 11/32" thermocouple port

which is typically used to energize an alarm circuit or a Building Management System (BMS) input

Reznor 41604 Ignition Control THPU32HP7Y the A1044R features an integratedThe Reznor 41604 Ignition Control is a critical OEM replacement part engineered for precise sequences in gas fired heating systems. As a veteran grade direct spark ignition (DSI) module, this component manages the ignition trial, flame sensing, and gas valve actuation to ensure safe and efficient burner operation. Designed to meet internal factory specifications for Reznor unit heaters, the 41604 ignition board provides robust timing logic and rapid