Pentair ETi 250 Heat Exchanger Coil Cleaning Kit, 461109 In stock$88899
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Pentair ETi 250 Heat Exchanger Coil Cleaning Kit, 461109

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Quick overview

  • Built for the ETi 250 Listed for use with the Pentair ETi 250 ASME high efficiency pool and spa heater.
  • Heat exchanger service Made for cleaning the heat exchanger coil rather than replacing it.
  • Genuine Pentair Factory kit, part 461109.
  • Supplied as a kit Comes as a cleaning kit rather than as a single loose component.
  • For a high efficiency heater The ETi 250 is the ASME high efficiency model in the Pentair range.
  • Maintenance item Coil cleaning is service work on the heater, not a repair part swap.
Full description and specifications ↓

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Product details

The Pentair 461109 is the heat exchanger coil cleaning kit for the Pentair ETi 250, the 250,000 BTU high efficiency pool and spa heater. It is the Brand OEM kit that Pentair publishes installation instructions for, and it cleans the heat exchanger coil in place rather than replacing it.

How the kit is used

Pentair's instructions (P/N 476453) have a qualified pool service professional remove the door panels, the inlet and outlet plumbing assemblies, the blower and the burner and manifold, then pull the insulating disk from inside the coil. A cleaning brush assembly then mounts on the heat exchanger flange with the four 10 mm nuts, a cordless drill with a 3 jaw chuck turns the brush shaft, and the supplied water hose runs water through the brush. The heat exchanger stays in the heater. The instructions list a 5/64 Allen wrench and a ratchet with a 10 mm socket as the other tools, and they start with the power disconnected and the gas valve off.

About the ETi 250

The ETi 250 has a Titan-Tough direct-fire titanium heat exchanger with ASME-certified construction, and Pentair rates it at up to 96 percent thermal efficiency on propane with the conversion kit, and 94 percent on natural gas. A coil that has built up scale or debris moves heat into the water less efficiently, so the heater runs longer for the same result.

Before you order

Order by part number 461109. It is listed for the ETi 250 only and is not a replacement heat exchanger.

Specifications
Brand Pentair
Manufacturer part number 461109
Part type Pool heater part
Type Heat exchanger coil cleaning kit
Application Heat exchanger coil cleaning
Fits Pentair ETi 250 ASME high efficiency pool and spa heater
Instructions Pentair ETi 250 Heat Exchanger Coil Cleaning Kit Installation Instructions, P/N 476453
Tools named in the instructions Cordless drill with 3 jaw chuck, 5/64 Allen wrench, ratchet with 10 mm socket
Shipping weight 2 lb
Ships Parcel

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Questions and answers

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

Which heater is this for?
The Pentair ETi 250 ASME high efficiency pool and spa heater.
Is this a replacement heat exchanger?
No. It is the coil cleaning kit for the existing heat exchanger.
Is it a genuine Pentair kit?
Yes. It is the factory part, 461109.
Why clean the heat exchanger coil?
Scale and debris on the coil get between the flame and the water, so the heater burns more fuel to reach the same temperature. Cleaning restores the transfer the heater was designed around.
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