By Hayward Pool Products



Model # H100IDP1

Alternate Part #'s HAYH100IDP1

Product Description

Rated for up to 2000' elevation

Hayward has developed an induced draft heater for above-ground pools and spas that combines state of the art technology with ease of operation and superior performance.

Featuring an electronic, direct spark igntion system and an energy-efficient FireTile lined combustion chamber, the Hayward heater provides 100,000 BTU input, while delivering 81% thermal efficiency and quick heating.

An integral induced draft system makes this heater completely impervious to any high wind situations. A one-piece copper header/heat exchanger provides for leak-free performance. And a simple plug-in 120 volt electric cord is provided for simple installation.


  • Outdoor Use Only
  • Aboveground Pools
  • Spas (above 70 GPM an external bypass is recommended)
  • Flow Rating 20 - 70 GPM's


  • 100,000 BTU input for above-ground pools and spas of all types and sizes
  • Electronic, direct-spark ignition for total control and automatic operation
  • Revolutionary induced draft technology ensures optimum heating and all-weather performace, even in high wind situations.
  • Reduced emissions design provides environment-friendly heating
  • FireTile combustion chamber ensures quick heating
  • Jet ported Eugenox burners provide long life and easy maintenance
  • One-piece copper header/heat exchanger for leak-free performance
  • Cool-to-the-touch cabinet surface temperature ensures worry-free use
  • Plug-in 120 volt electric cord for easy installation


  • Includes test strip kit for fast and accurate testing of water chemistry

Product Specifications

100,000 BTU
Cord Length:
3 ft.
Plug Type:
120 V

?     Asked on 12/29/2011by Guest

How do you know if a pool heater is a propane heater or a natural gas heater?

A  Answered on 12/29/2011 by InyoPools Product Specialist Patrick P.

Typically in the product name we use the abbreviation of "LP" for propane or "NG" for natural gas. Click here for a full listing of our >Pool Heaters.

?     Asked on 10/10/2012by Guest

What is the difference between an Electronic and Millivolt ignition?

A  Answered on 10/10/2012 by InyoPools Product Specialist Patrick P.

The basic answer is that Millivolt is the old style of ignition, using a standing pilot light. While the electronic ignition uses a spark start system like a gas grill. Electronic ignitions are more efficient in gas usage and also are better suited for high wind areas where a pilot light might get extinguished.

?     Asked on 1/22/2013by Guest

Can the Hayward H100 heater be converted from propane to natural gas?

A  Answered on 1/22/2013 by InyoPools Product Specialist Patrick P.

Yes, to convert from propane to natural gas , you would need part #IDXCNK1934.

?     Asked on 4/20/2013by Guest

How long will a propane tank last with the Hayward H100IDP1 heater?

A  Answered on 4/20/2013 by InyoPools Product Specialist Patrick P.

It would be difficult to say for certain how long a propane tank would last. The amount of time will vary based on temperature, size and use.

?     Asked on 10/8/2013by Guest

Where can my heater be installed?

A  Answered on 10/8/2013 by InyoPools Product Specialist Patrick P.

There are specific venting requirements and clearance distances that must be met to ensure proper operation. Consult the owner’s manual for exact specifications for your model of heater.NOTE: Gas fired heaters should be diagnosed and repaired by trained personnel.