this board is the primary "brain" for 80% and 90% AFUE units

Enhanced Safety Protocols: Continuously monitors for unexpected flames or pressure variations to provide a secure system shutdown when necessary

if the trap reaches the end of its service life

While the assembly consists of the motor and housing

How is this unit powered

Laars Heating Systems RE2319900 Sensor Els PW 29614 this board is the primaryThe Laars Heating Systems RE2319900 Sensor is a precision engineered Outlet Temp Sensor Duplex designed for critical monitoring in high efficiency hydronic systems. Built for the technical demands of Laars MagnaTherm and NeoTherm boilers, this duplex sensor features dual thermistor elements to provide redundant, high accuracy fluid temperature data to the control board. This 1 4 NPT sensor fitting allows for a threaded, leak proof installation