Lochinvar & A.O. Smith 100110744 Switch

The Lochinvar & A.O. Smith 100110744 Switch is a critical OEM replacement component designed for integrated power control within high-efficiency residential and commercial water heating systems. This water heater power switch resides on the main control panel, providing a direct interface for technicians to verify circuit continuity and manage system states during troubleshooting or routine maintenance. Engineered as a genuine A.O. Smith replacement part, it ensures precise electrical termination and housing fitment, maintaining the integrity of the manufacturer’s safety sequence. This HVAC on/off switch is compatible with a wide range of Lochinvar boilers and A.O. Smith units, effectively replacing legacy part numbers 193243 and 9005929215. Utilizing a heavy-duty rocker mechanism, the 100110744 switch is built to withstand the thermal cycles common in mechanical rooms. This OEM heater switch is essential for restoring localized control to the blower and ignition modules, ensuring the combustion air blower and gas supply triggers operate only when authorized by the manual interface.

• OEM Precision: Guaranteed compatibility with Lochinvar and A.O. Smith commercial and residential boilers and water heaters.
• Direct Circuit Control: Provides reliable manual interruption for safety during service calls and part replacements.
• Rugged Construction: Rated for high-cycle industrial use to prevent contact pitting and mechanical failure in damp mechanical rooms.
• Efficient Installation: Standard clip-in housing facilitates quick field replacement, minimizing system downtime for the end user.

• Which models are compatible with this switch? While it is widely used in residential blowers and commercial control panels, always verify your specific model and serial number against the 100110744 part technical documentation.
• Can I use a generic rocker switch instead? Using non-OEM components can lead to fitment issues or electrical mismatches; this genuine A.O. Smith 100110744 ensures proper amperage rating and terminal depth.
• Does this switch require professional installation? High-voltage components should be handled by a licensed HVAC technician to ensure proper grounding and circuit protection.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.