Pentair Air Intake Kit | ETi 400 | 475971 Americana match it directly to R172064

match it directly to R172064 to confirm new-style fitment before adding to cart

Waterway Plastics Teleweir Skim Filter 817-4050 - (This is not an exhaustive list

This is meaningful because those same products (many of which are phosphate-based) would directly conflict with phosphate removal efforts…but SC-1000 does not

the "185B")

Top inside diameter: 5-1/2" – 5-5/8"

Pentair Air Intake Kit | ETi 400 | 475971 Americana match it directly to R172064The Pentair Air Intake Kit (475971) is the OEM replacement air intake assembly for the Pentair ETi 400 High Efficiency Gas Heater, designed specifically for indoor installations where adequate combustion air supply cannot be guaranteed by the surrounding environment. IMPORTANT: KIT LISTING MULTIPLE COMPONENTS INCLUDED This listing is for a complete Air Intake Kit, not a single component. All kit contents are intended to be installed together as a