Pentair Air Pressure Switch | ETi® 400 & UltraTemp ETi® Heaters | 475987 Pool Pole Accessories Straight Adapter Inlet Size 1-1/2

Straight Adapter Inlet Size 1-1/2 in

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

Reuse handle from original OEM filter

(4 × 80 sq

preserve integrity and keep hose folded for easy expansion

Pentair Air Pressure Switch | ETi® 400 & UltraTemp ETi® Heaters | 475987 Pool Pole Accessories Straight Adapter Inlet Size 1-1/2The 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