Pentair Air Blower Kit Natural Gas Units (Models 400NA) | MasterTemp | 77707-0253 Testing & Measurement Parts Brand Equipment Line Model /

Brand Equipment Line Model / Part Number Notes Hayward SkimMaster Round Skimmer – 2″ SKT x 2½″ SPIG – 4

and Closed positions

Helps clean non-living organic waste from inside spa plumbing using a concentrated formula with smartzyme technology

Reemay 2033 Pleat Count 225 Top Cap: molded cone handle

Assembly & Installation Video

Pentair Air Blower Kit Natural Gas Units (Models 400NA) | MasterTemp | 77707-0253 Testing & Measurement Parts Brand Equipment Line Model /OEM Blower Kit for the MasterTemp 400NA Natural Gas Heater The Pentair Air Blower Kit (77707 0253) is the OEM replacement blower assembly for the MasterTemp 400NA natural gas heater. This kit is specific to the 400NA natural gas configuration confirm your heater's model designation before ordering. IMPORTANT: HEATER COMPONENT LICENSED TECHNICIAN REQUIRED Gas and electrical heater components must be serviced by a licensed pool professional or qualified