Lochinvar Air Pressure Switch [w/ Mounting Nuts] (100166258) aquasun This switch is especially useful

This switch is especially useful when the existing unit has failed

this wet end helps restore more dependable pump-side performance and supports a cleaner

and an AMP cord connection

2 inch female buttress thread x 2 inch spigot connection

A filter cartridge helps the system continue removing suspended debris before water returns to the pool or spa

Lochinvar Air Pressure Switch [w/ Mounting Nuts] (100166258) aquasun This switch is especially usefulThe 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