The Pentair Coil Tubesheet Sealing O-Ring Kit, model 77707-0119, is designed for MasterTemp and Max-E-Therm 400 heaters. This kit includes 12 high-quality O-rings that ensure a secure and leak-free seal for your heater's tubesheet, enhancing its efficiency and reliability. Made from durable materials, these O-rings are easy to install and are essential for maintaining the optimal performance of your pool or spa heater.

• Designed for 400 Heaters: Specifically crafted for MasterTemp and Max-E-Therm 400 heaters, ensuring precise fit and enhanced performance.
• High-Quality O-Rings: Includes 12 high-quality O-rings that provide a secure, leak-free seal for your heater's tubesheet.
• Enhanced Efficiency: Improves the efficiency and reliability of your heating system by ensuring airtight sealing.
• Durable Materials: Made from durable materials, these O-rings are built to withstand the demands of pool and spa environments.
• Easy Installation: Simple to install, making it an essential and hassle-free component for maintaining optimal performance of your heater.

• (12) Pentair 77707-0119 Tube Sheet Coil Sealing O-Rings

• Pentair MasterTemp Heaters Models: 400NA, 400-LP
• Pentair Sta-Rite Max-E-Therm Heater Model: 400