Hayward Flow Controller | ECX1055 Jandy 1.5"-2" 2-Way Valves it provides a direct fit

it provides a direct fit with no modifications required

The 3900 Sport features an all-wheel PosiDrive system with a durable stainless-steel drive chain that delivers 50% more torque for maximum speed and performance

add the required amount

This OEM housing is also listed in Pentair’s official parts catalog for the OptiFlo pump

1 Lid And 1 Lid Seal

Hayward Flow Controller | ECX1055 Jandy 1.5"-2" 2-Way Valves it provides a direct fitHayward Flow Controller ECX1055 The Hayward Flow Controller (ECX1055) is an essential component for maintaining precise water flow in your pool filtration system. Designed for compatibility with a variety of Hayward models, this flow controller ensures optimal system efficiency and performance. Crafted from durable materials, it delivers reliable operation and long lasting use. Key Features: Precise Flow Control: Regulates water flow for efficient