Weil McLain 383-500-665 Control Module 323080-701 Proper installation of these ASCO

Proper installation of these ASCO 302-337 components helps maintain system integrity

preventing damage before it spreads to expensive downstream components

using a CW wheel on a CCW motor will significantly reduce airflow and can cause the motor to overheat due to lack of static pressure resistance

While the UT32 series can display outdoor air

This motor is rated for Counter-Clockwise (CCW) rotation from the lead end

Weil McLain 383-500-665 Control Module 323080-701 Proper installation of these ASCOThe Weil McLain 383 500 665 Control Module is the professional grade U Control Upgrade Kit engineered specifically for Ultra Series 1 and Series 2 gas boilers. This OEM boiler control board is a comprehensive field integration solution, serving as the official 383 500 191 replacement. It is critical for technicians to note that this is an upgrade kit, not a standard drop in component. The 383 500 665 provides advanced diagnostics and enhanced ignition