Lochinvar Air Pressure Switch [w/ Mounting Nuts] (100166258) aquasun Supports high-flow performance

Supports high-flow performance

Improves maintenance convenience and debris control

begins leaking

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

2 inch female buttress thread x 2 inch spigot connection

Lochinvar Air Pressure Switch [w/ Mounting Nuts] (100166258) aquasun Supports high-flow performanceThe 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