ÊThe Pentair Coil Tube sheet Sealing O-Ring Kit, model 77707-0118, is designed for MasterTemp and Max-E-Therm 300 heaters. This kit includes 10 high-quality O-rings that ensure a secure and leak-free seal for your heater's tube sheet, 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 300 Heaters: Specifically crafted for MasterTemp and Max-E-Therm 300 heaters, ensuring precise fit and enhanced performance.
• High-Quality O-Rings: Includes 10 high-quality O-rings that provide a secure, leak-free seal for your heater's tube sheet.
• 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.

• (10) Pentair 77707-0118 Tube Sheet Coil Sealing O-Rings
  

• Pentair MasterTemp Heaters Models: 300NA, 300-LP
• Pentair Sta-Rite Max-E-Therm Heater Models: 300, 333