Bard HVAC 8406-076BX Door Switch 321042-401 Does the kit include instructions

Does the kit include instructions for installation

This genuine OEM Trane replacement part is engineered for high-rpm operations

It is standard for Lochinvar CH/CF and CP 401-751 series Copper-Fin II boilers and commercial water heaters

securing the mechanical integrity of the total system for long-term field reliability

Bard HVAC 8406-076BX Door Switch 321042-401 Does the kit include instructionsThe Bard HVAC 8406 076BX Door Switch is a heavy duty SPST (Single Pole Single Throw) component critical for maintaining the operational safety of commercial and industrial HVAC systems. Rated for 20 AMP at a Normally Open (N. O.) configuration, this switch is designed to interrupt power or signal loops immediately upon cabinet entry. It provides a reliable mechanical interface to ensure equipment remains de energized during service, preventing