Lochinvar & A.O. Smith 100217965 2.3″ Blocked Inlet Pressure Switch

Description

Lochinvar & A.O. Smith 100217965 Blocked Inlet Pressure Switch

The Lochinvar & A.O. Smith 100217965 is a genuine OEM 2.3″ blocked inlet pressure switch designed to protect water heaters and boilers from operating under restricted or blocked inlet air conditions. This safety switch monitors the pressure differential at the air inlet and interrupts the control circuit when an obstruction is detected, preventing unsafe combustion and potential equipment damage.

Key Features

• Genuine OEM replacement part for Lochinvar and A.O. Smith water heaters and boilers
• 2.3″ W.C. (water column) setpoint for precise blocked inlet detection
• Interrupts the control circuit upon detection of restricted or blocked inlet airflow
• Helps prevent unsafe combustion conditions caused by inadequate air supply
• Direct drop-in replacement for reliable, like-for-like performance
• Supports proper system safety and compliance with manufacturer specifications

Application

• Compatible with select Lochinvar and A.O. Smith water heaters and boiler systems
• Designed for use in residential and light commercial heating applications
• Consult equipment documentation or manufacturer to confirm compatibility before installation

Why Choose OEM Parts?

Using genuine Lochinvar & A.O. Smith replacement parts ensures your equipment operates as designed, maintains warranty compliance, and delivers the safety performance your system depends on. The 100217965 blocked inlet pressure switch is built to exact factory specifications for a reliable, worry-free installation.