Ao Smith 100110615 Air Sensing Switch Oem Replacement

Product Description

The AO SMITH 100110615 is a genuine OEM air sensing switch designed for use in AO Smith water heater systems. This switch monitors air pressure or draft conditions within the appliance, signaling the control system to confirm proper venting before allowing ignition or continued operation. It is a direct factory replacement part, not a universal or aftermarket substitute. Licensed plumbers and HVAC technicians install this component during maintenance or failure diagnosis when the existing switch fails to close or trips nuisance lockouts. The part ships in original AO Smith factory packaging, confirming it meets original equipment specifications.

This air sensing switch is applicable to specific AO Smith water heater models and serial number ranges where the 100110615 is the designated OEM replacement. It also crosses to superseded part number 193295. This part is not a universal fitment and is intended for use only in the specific production runs that require this switch. Confirm the model and serial number of the unit before ordering to ensure correct application.

Key Features

• Genuine OEM part sourced directly from AO Smith factory production
• Ships in original AO Smith factory packaging
• Replaces superseded part number 193295
• Monitors air pressure or draft conditions to confirm safe venting prior to ignition
• Not a universal or generic replacement — model and serial number verification required

Compatibility

Replaces AO Smith part number 193295. Compatible with specific AO Smith water heater models and serial number ranges as designated by factory production records. Verify the model number and serial number of the unit before installation to confirm this is the correct part.

Installation Notes

Installation should be performed by a licensed plumber or qualified HVAC technician familiar with water heater venting systems. Disconnect power and shut off the gas supply to the water heater before beginning any service work. Handle the sensing switch and associated tubing or wiring carefully to avoid damaging connectors or pressure ports. Follow all applicable local codes and the manufacturer service documentation for the specific unit being serviced.

Technical Specifications

• Part Type: Air Sensing Switch
• OEM Status: Genuine OEM Replacement Part
• Superseded Part Number: 193295

Standard Information

• Brand: AO SMITH
• Manufacturer Part Number: 100110615