Lochinvar Air Pressure Switch [w/ Mounting Nuts] (100166258) lochinvar this Waterway internal is a

this Waterway internal is a practical option when a 3 inch directional textured scallop insert in light gray is needed

or restoring a more uniform appearance to the overall setup

That helps keep installations more efficient and more organized

or no longer sealing and moving the way it should

Lochinvar Air Pressure Switch [w/ Mounting Nuts] (100166258) lochinvar this Waterway internal is aThe Lochinvar air pressure switch is designed for compatible heater applications where pressure based airflow monitoring is needed. An air pressure switch is useful because it helps verify proper operating conditions, supporting safer and more dependable heater performance during operation. This replacement is especially useful when the original switch is failing, inaccurate, damaged, or no longer activating correctly. Including mounting nuts helps