Restore watertight integrity to your heater's manifold assembly with the Pentair Manifold O-Ring Kit (77707-0120), purpose-built for MasterTemp and Max-E-Therm heating systems. This complete set supplies every O-ring needed to create a dependable, drip-free seal at the manifold junction, preserving peak heater performance. Each O-ring is manufactured from premium, chemically resistant compounds that hold up against continuous exposure to heated water and pool chemicals. Timely replacement of these seals is key to avoiding water loss, protecting internal components, and getting the most out of your heater's service life.

Key Benefits

• Tailored Fit: Engineered exclusively for MasterTemp and Max-E-Therm heaters, delivering an exact match and dependable sealing performance every time.
• All-Inclusive Seal Package: Provides the full set of O-rings required for a thorough manifold reseal, restoring your heater to leak-free condition.
• Chemically Resistant Construction: Produced from top-grade elastomers built to endure prolonged contact with heated water and harsh pool treatment chemicals.
• Preventive Maintenance Must-Have: Routine O-ring replacement protects against water loss, safeguards heater internals, and helps maximize equipment lifespan.
• Sustained Heating Efficiency: Preserves consistent heat output and smooth operation by maintaining airtight manifold connections throughout the system.

What's Included

• Pentair Manifold O-RIng
• Pentair Tube Sheet Coil O-Rings

Compatibility

• Pentair MasterTemp Heaters
• Pentair Max-E-Therm

Specifications

• Brand: Pentair
• Part Number: 77707-0120

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