Hayward IDXL2VPS1930 Low NOx air pressure switchHayward Air Pressure Switch, Low NOx, After 09/04, IDXL2VPS1930 In stock$9899
Hayward IDXL2VPS1930 Low NOx air pressure switch
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Hayward Air Pressure Switch, Low NOx, After 09/04, IDXL2VPS1930

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$9899
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Quick overview

  • Genuine Hayward Factory part IDXL2VPS1930, the switch Hayward specifies for these heaters.
  • Low NOx heaters Made for the Low NOx version of the H-Series, which uses its own switch.
  • Date coded application For heaters built after 09/04, so check the build date before ordering.
  • A safety interlock An air pressure switch is part of the chain that has to prove out before the heater will fire.
  • H-Series 250 and 400 Listed in the Hayward parts breakdown for the Low NOx 250 and 400 models.
  • A common no fire fault A failed pressure switch will keep a healthy heater from lighting at all.
Full description and specifications ↓

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Product details

The Hayward IDXL2VPS1930 is the air pressure switch for Low NOx H-Series pool heaters built after 09/04. It is the genuine Hayward part.

What it does

An air pressure switch is a safety interlock. It has to prove the correct air condition inside the heater before the control board will let the unit go through ignition. When the switch fails, that proof never arrives, and a heater that is otherwise in good order simply will not light.

Getting the right one

Two things narrow this part down. It is the Low NOx version, which is a different build from the standard H-Series, and it is for heaters made after 09/04. Both are worth checking on the rating plate before you order, because the wrong switch either will not mount or will not hold the right setpoint.

It is listed in the Hayward parts breakdown for the Low NOx 250 and 400 models.

Specifications
Brand Hayward
Manufacturer part number IDXL2VPS1930
UPC 610377854450
Type Air pressure switch
Application Low NOx heaters
Build date After 09/04
Fits Hayward H-Series Low NOx models 250 and 400
Shipping weight 0.2 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 switch fit?
Hayward H-Series Low NOx heaters built after 09/04. It is listed in the parts breakdown for the Low NOx 250 and 400 models.
Does the 09/04 date matter?
Yes. Hayward changed the switch, so a heater built before that date takes a different part. Check the build date on the rating plate.
Is this the same as a standard H-Series pressure switch?
No. This one is the Low NOx version. Low NOx heaters are a different build and use their own switch.
My heater will not fire. Could this be the cause?
It can be. The air pressure switch is one of the interlocks that has to close before the control will allow ignition, so a failed switch stops the sequence even when everything else is sound.
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