Raypak 006731F cast iron ASME return header for R185A, R265A and R335A heatersRaypak Genuine OEM Return Header ASME, 006731F In stock$15899
Raypak 006731F cast iron ASME return header for R185A, R265A and R335A heaters

Raypak Genuine OEM Return Header ASME, 006731F

Ask a questionMPN 006731F
$15899
In stock

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Quick overview

  • Genuine Raypak Factory part 006731F, the return end header for the heat exchanger.
  • Cast iron The heavy cast header, not a bronze or composite substitute.
  • ASME rated This is the ASME version of the header, which is not interchangeable with the standard build.
  • Fits three models Listed for the Raypak R185A, R265A and R335A pool heaters.
  • Return end, not inlet/outlet The return header is the opposite end from the inlet and outlet header, which is a separate Raypak part.
  • A common corrosion casualty Headers crack and pit from bad water chemistry, and a leaking header will not seal by tightening the bolts.
Full description and specifications ↓

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Product details

The Raypak 006731F is the genuine cast iron return header, in the ASME build, for the R185A, R265A and R335A pool heaters. It is the casting that caps the return end of the heat exchanger.

What it does

The headers close off each end of the tube bundle and turn the water through it. The return header carries pool water at full system pressure and sits directly above the burner, so it lives with heat on one side and whatever chemistry is in the water on the other. That combination is what eventually gets it: pitting and cracking from aggressive or unbalanced water, and once a casting is through, it weeps.

Before you order

Two checks. First, the model: this header is listed for the R185A, R265A and R335A. Second, the rating: this is the ASME version, and the ASME and standard heaters take different castings, so read the data plate rather than assuming. The inlet and outlet header at the other end is a separate Raypak part.

Specifications
Brand Raypak
Manufacturer part number 006731F
UPC 840891001867
Type Return header
Material Cast iron
Rating ASME
Fits Raypak R185A, R265A and R335A pool heaters
Shipping weight 5.6 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 header fit?
The Raypak R185A, R265A and R335A.
Is this the return header or the inlet and outlet header?
The return header. It caps the return end of the heat exchanger. The inlet and outlet header is a different Raypak part number.
Does the ASME rating matter?
Yes. This is the ASME version. ASME and standard heaters use different header castings, so match the rating on your heater data plate before ordering.
What makes a header fail?
Corrosion, usually from water chemistry left out of balance or from a heater run at low flow. Once a casting is cracked or pitted through it leaks, and no amount of retorquing the bolts will seal it.
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