Pentair Flameholder Kit - Model 400 | MasterTemp | 77707-0204 inSPAration always install a freshly lubricated

always install a freshly lubricated O-ring at the same time — a worn O-ring is the most common cause of leaks at this connection point

Bath Toy: These dive toys also make for the ideal companions to bring in the bath

Check the manufacture date label on your pump before ordering

Pentair (formerly Bermuda) Bermuda 506308 Bermuda Gunite Skimmer with Float Valve — tan collar

The coil/tubesheet sealing O-rings form the critical pressure boundary between the heat exchanger coil and the tubesheet in the MasterTemp 125 combustion and water circuit

Pentair Flameholder Kit - Model 400 | MasterTemp | 77707-0204 inSPAration always install a freshly lubricatedThe Pentair Flameholder Kit (77707 0204) is the OEM replacement flameholder assembly for the MasterTemp 400 gas heater burner system, covering both natural gas (400NA) and liquid propane (400LP) configurations. IMPORTANT: KIT LISTING MULTIPLE COMPONENTS INCLUDED This listing is a kit, not a single component. It includes Item Nos. 10, 11, 12, 13, and the Flameholder Insert as a complete assembly. Verify all included items against your equipment's