Pentair Flameholder Kit - Model 400 | MasterTemp | 77707-0204 inSPAration Note: If calcium hardness level

Note: If calcium hardness level is above 400ppm

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

Pentair Part Number 274407Z Also Known As / Legacy Part Number 274407 (base)

The Pentair 190041 is the OEM replacement filter lid for 44/88 GPM Warrior Filter Systems

Pentair Flameholder Kit - Model 400 | MasterTemp | 77707-0204 inSPAration Note: If calcium hardness levelThe 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