Lochinvar Air Pressure Switch [EnergyRite Heaters] (100166156) defilters and this Polaris and Zodiac

and this Polaris and Zodiac standard version is offered in a quantity-25 pack using the 3-9-461 reference

supporting system control for features such as filtration

This type of component is especially useful when replacing a failed pack in a feature-rich spa where matching pump

or does not direct water consistently through the intended settings

Lochinvar Air Pressure Switch [EnergyRite Heaters] (100166156) defilters and this Polaris and ZodiacThe Lochinvar air pressure switch is designed for compatible EnergyRite 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. This replacement is especially useful when the original switch is failing, inaccurate, damaged, or no longer activating correctly. Replacing the switch can help restore