
Quick overview
- Genuine Pentair Factory kit 474200, supplied as a kit rather than a bare casting.
- MasterTemp and Max-E-Therm Pentair lists it for use with the Max-E-Therm pool and spa heater, and it carries the MasterTemp name on the kit.
- The wet end of the heater The manifold is the header the pool water passes through on its way across the heat exchanger.
- Fixes a leaking manifold Cracks and corrosion at the manifold are a common end for an older heater header.
- Kit format Supplied as the basic manifold kit, so the associated pieces come with it.
- Ships parcel A serviceable part, not a whole heater, so it moves by parcel carrier.
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Product details
The Pentair 474200 is the basic manifold kit for the MasterTemp and Max-E-Therm family of pool and spa heaters. It is the genuine Pentair part.
What the manifold is
The manifold is the header on the water side of the heater. Pool water enters through it, passes across the heat exchanger and leaves through it, which makes it one of the hardest working parts in the whole unit and one of the few that sees both full system pressure and the heat of the exchanger.
Why it gets replaced
Years of thermal cycling and unbalanced water chemistry take their toll. A manifold that has cracked or corroded leaks at the pad, and no amount of tightening brings it back. This kit is the factory replacement for that job.
Before you order
Confirm the model on your heater and check the manifold part number against the parts list for your unit, since Pentair uses different manifolds across the range.
| Brand | Pentair |
|---|---|
| Manufacturer part number | 474200 |
| UPC | 788379807276 |
| Type | Basic manifold kit |
| Fits | Pentair Max-E-Therm pool and spa heater, MasterTemp |
| Shipping weight | 4.65 lb |
| Ships | Parcel |
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