Lochinvar & A.O. Smith 100208388 1″WC Pressure Switch

Description

Lochinvar & A.O. Smith 100208388 – 1″ WC Pressure Switch

The Lochinvar & A.O. Smith 100208388 is a factory-specified 1″ water column (WC) pressure switch engineered as a direct OEM replacement for compatible Lochinvar and A.O. Smith water heater and boiler equipment. Pressure switches are a critical safety component in gas-fired heating appliances — they verify that proper draft or combustion air pressure is present before allowing the ignition sequence to proceed, protecting the appliance and the building from unsafe operating conditions.

Key Features

• OEM part number 100208388 — direct factory replacement
• 1″ water column (1″ WC) set point for precise pressure sensing
• Designed for use with Lochinvar and A.O. Smith water heaters and boilers
• Monitors draft or combustion air pressure to ensure safe ignition sequencing
• Helps prevent burner operation under unsafe or inadequate draft conditions
• Reliable switching action for consistent equipment performance
• Drop-in replacement for fast, straightforward installation

Application

This pressure switch is intended for use in Lochinvar and A.O. Smith residential and light commercial water heating and boiler systems where the OEM part number 100208388 is specified. Always verify compatibility with your specific model before installation.

Why Choose OEM Replacement Parts?

Using genuine OEM-specified components like the 100208388 pressure switch ensures your equipment operates within factory safety parameters, maintains warranty compliance, and delivers the long-term reliability your customers expect. Avoid callbacks and comebacks by installing the right part the first time.