Pentair Tube Sheet Coil Assembly Replacement Kit for 400K BTU Heaters | 474065 C7483 If the strainer lid O-ring

If the strainer lid O-ring is also showing wear

apply Pentair R172351 Lifeguard Silicone Lubricant to all O-rings to ensure a proper seal and prevent premature cracking

replacement filter cartridge engineered for Caldera Spas systems

Reemay 2033 spunbond polyester media across 215 precision-formed pleats

⚠️ IMPORTANT: VERIFY YOUR FILTER TYPE BEFORE ORDERING

Pentair Tube Sheet Coil Assembly Replacement Kit for 400K BTU Heaters | 474065 C7483 If the strainer lid O-ringTube sheet coil assembly replacement kit Fits Pentair MasterTemp HD series pool and spa heater models 400NA, 400 LP1 Also fits Pentair Sta Rite Max E Therm HD series pool and spa heater model 400 Includes coil sealing o ring kit Measures 18 1 2 inch length by 10 1 2 inch height by 18 1 2 inch width