Lochinvar Air Pressure Switch [w/ Mounting Nuts] (100166258) aquasun 2 inch female buttress thread

2 inch female buttress thread x 2 inch spigot connection

This switch is especially useful when the existing unit has failed

and an AMP cord connection

Supports high-flow performance

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

Lochinvar Air Pressure Switch [w/ Mounting Nuts] (100166258) aquasun 2 inch female buttress threadThe 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