MasterTemp O Ring Kit For Manifold And Tube Sheet | Pentair | 77707-0120 | (MasterTemp & Sta-Rite Max-E-Therm)

The Pentair MasterTemp & Sta-Rite Max-E-Therm O-Ring Kit is essential for maintaining a leak-free pool heater. This kit is designed for the manifold and tube sheet coil, part 77707-0120, to preserve temperature control and extend service life by replacing worn seals before leaks start.

Ideal for seasonal pools, high-usage systems, or after long shutdowns, the o-rings resist pool chemicals and high heat for durable performance. It delivers reliable temperature stability and helps prevent unwanted heat loss through gaskets, keeping your pool at a comfortable set point longer. It's a straightforward O-ring replacement, designed for a quick, tool-friendly installation.

The kit is especially valuable when servicing aging units where manifold ports or tube sheet joints show minor wear, helping you avoid costly leaks. Its simple, at-home installation supports quick seasonal tune-ups or pro maintenance visits, keeping your heater in top form across longer pool seasons.

• Precision O-rings for manifold seals and tube sheet coil connections
• Durable, chemical-resistant rubber engineered for MasterTemp and Sta-Rite Max-E-Therm
• Pre-cut sizes and easy installation reduce downtime during heater maintenance
• Designed to minimize leaks and energy waste, preserving temperature control

Keep your heater performing at its best—add this O-ring kit to your maintenance routine today.