Pentair Air Pressure Switch | ETi® 400 & UltraTemp ETi® Heaters | 475987 Pool Pole Accessories Reuse handle from original OEM

Reuse handle from original OEM filter

restoring a proper pressure-tight seal at the top of the filter tank

(4 × 80 sq

Pentair Part Number 24800-0121 Part Type Air Bleed Assembly Quantity Included Each Fits Into

Straight Adapter Inlet Size 1-1/2 in

Pentair Air Pressure Switch | ETi® 400 & UltraTemp ETi® Heaters | 475987 Pool Pole Accessories Reuse handle from original OEMThe Pentair Air Pressure Switch (475987) is the OEM replacement pressure switch for the ETi 400 and UltraTemp ETi series pool and spa heaters. IMPORTANT: HEATER COMPONENT PROFESSIONAL SERVICE REQUIRED Gas and electrical heater components must be serviced by a licensed pool professional or qualified HVAC technician. Do not attempt to service gas or high voltage components without proper certification. The air pressure switch monitors airflow through