It features a standard opening characteristic and includes a 1/4" NPT pressure tap for precise manifold pressure adjustments during combustion analysis

Consult the diagnostic LED on the module

What electrical components should be replaced during installation

System Efficiency: Minimal 11

it is best practice to verify or apply high-temp sealant during the draft inducer assembly installation to prevent flue leaks

Weil McLain 383-500-205 Switch 321894-706 It features a standard openingThe Weil McLain 383 500 205 Switch is a high reliability HVAC replacement rocker switch engineered specifically for service within Ultra Gas Boilers and Ultra Commercial Boilers. This SPST on off power switch is a critical component in maintaining the operational integrity of the primary control circuit. Rated for 16A @ 125V, it provides the robust electrical capacity required for heavy duty cycling in professional hydronic heating environments. As a