Pentair 77707-0120 manifold o-ring kit for Max-E-Therm and MasterTemp heatersPentair Manifold O-Ring Kit for Max-E-Therm and MasterTemp Heater Burner System, 77707-0120 In stock$3099
Pentair 77707-0120 manifold o-ring kit for Max-E-Therm and MasterTemp heaters
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Pentair Manifold O-Ring Kit for Max-E-Therm and MasterTemp Heater Burner System, 77707-0120

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$3099
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Quick overview

  • Genuine Pentair The factory 77707-0120 kit, matched to the burner system.
  • Manifold, tube and coil The kit covers the manifold, tube and coil o-rings together.
  • Max-E-Therm and MasterTemp The same burner system is used across both heater lines.
  • Seals as a set Replacing the seals together avoids a second teardown for the one you skipped.
  • Service part The o-rings are what get disturbed any time the burner system is opened.
  • Direct replacement Sized to the original seals, no trimming or substituting.
Full description and specifications ↓

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Product details

The Pentair 77707-0120 is the manifold o-ring kit for the burner system used on Max-E-Therm and MasterTemp heaters. It is the genuine Pentair part.

What is in the kit

The o-rings for the manifold, the tube and the coil, supplied together as one kit. Those are the seals disturbed whenever the burner system is opened up for service.

Why replace them as a set

Old o-rings take a set, harden and stop sealing once they have been compressed and then released. Since almost all of the work is in opening the heater, changing every seal at once is the sensible way to do it rather than reusing two and coming back for them later.

Specifications
Brand Pentair
Manufacturer part number 77707-0120
UPC 022315301603
Type O-ring kit
Kit covers Manifold, tube and coil
Fits Pentair Max-E-Therm and MasterTemp heater burner system
Shipping weight 0.1 lb
Ships Parcel

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Questions and answers

What people ask about this product, answered by our pool techs.

Which heaters does this kit fit?
The burner system used on Pentair Max-E-Therm and MasterTemp heaters.
What o-rings are in the kit?
The manifold, tube and coil o-rings.
Should I replace all of them at once?
Yes, if the burner system is already open. The labor is in the teardown, so replacing the set is cheaper than going back in for the one seal you left.
Is it a genuine Pentair kit?
Yes, Pentair part number 77707-0120.
Ask your own question