Hayward HAXTLK1930 temperature limiter kit for H-Series pool heatersHayward Temperature Limiter Kit, HAXTLK1930 In stock$12299
Hayward HAXTLK1930 temperature limiter kit for H-Series pool heaters

Hayward Temperature Limiter Kit, HAXTLK1930

Ask a questionMPN HAXTLK1930
$12299
In stock

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Quick overview

  • Hayward part HAXTLK1930 The temperature limiter kit listed for the H-Series gas heater families.
  • Supplied as a kit Comes as the limiter kit rather than a bare switch.
  • Covers three H-Series families Listed for H-Series, H-Series ED1 and the ED2 style electronic gas heaters.
  • Models 150 to 400 Fits across the 150 through 400 range within those families.
  • A safety device The limiter is what shuts the heater down on an over temperature condition, so it is not a part to bypass.
  • Check the cause too Repeat limiter trips usually point at low flow or a fouled heat exchanger, not at the limiter itself.
Full description and specifications ↓

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Product details

The Hayward HAXTLK1930 is the temperature limiter kit for H-Series gas heaters. It is listed for the H-Series and H-Series ED1 models 150 through 400, and for the ED2 style H-Series electronic gas heaters.

What the limiter does

The temperature limiter is a safety cutout. It watches water temperature at the heat exchanger and shuts the heater down before things get hot enough to do damage. Because it is a safety device, a heater that will not fire because of the limiter should be diagnosed, not bypassed.

Before you replace it

A limiter that trips over and over is often doing its job correctly. Low flow through the heater, a dirty filter, a closed valve or a heat exchanger fouled with scale all raise exchanger temperature and set the limiter off. Confirm flow and exchanger condition first, then change the limiter if it is the part that has failed.

Specifications
Brand Hayward
Manufacturer part number HAXTLK1930
UPC 610377625814
Part type Pool Heater Part
Type Temperature limiter kit
Fits Hayward H-Series and H-Series ED1 gas heaters, models 150 to 400
Also fits Hayward ED2 style H-Series electronic gas heaters
Shipping weight 0.05 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?
It is listed for Hayward H-Series and H-Series ED1 heaters in the 150 to 400 range, and for the ED2 style H-Series electronic gas heaters.
Is this a single switch or a kit?
It is supplied as a kit under Hayward part number HAXTLK1930.
What does the temperature limiter do?
It is the safety device that cuts the heater off when water temperature at the exchanger climbs past the safe limit.
My heater keeps tripping on high limit. Will this fix it?
Only if the limiter itself has failed. A limiter that trips repeatedly is usually reporting a real problem, most often poor water flow or a restricted heat exchanger, so check those before replacing the part.
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