Hayward H135ID1 H-Series Above Ground Pool Heater, Nat. Gas


Weight: 100.00 lbs
MPN: H135ID1

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Hayward H100ID1 H-Series Above Ground Pool Heating System (Propane)

Hayward H135ID1 Natural Gas Pool Heater

Durability with lighter weight

With its super-corrosion-resistant cupro-nickel heat exchanger, the H-Series H135ID1 heater protects against premature failure caused by spikes in chlorine/salt, ensuring long-lasting service.

Easy-to-use Control Panel

The intuitive control panel is quick and easy to operate, so you can spend less time hassling with settings

Energy-saving and environmentally friendly

The H135ID1 heater saves energy and lowers your gas bill by reducing pump run time with optimized water flow. Plus, the low NOx emissions meet air quality standards.

Hayward H135ID1 Natural Gas is Made in AmericaDetailed Features

• Input of 135,000 BTU for all types and sizes of spas and above-ground pools.
• Induced draft technology provides optimum heating and performance in all sorts of weather, even in high wind areas.
• Environment friendly heating thanks to low Nox emissions.
• Jet-ported burners provide exceptional durability and simple maintenance.
• FireTile® combustion chamber ensures speedy heating.
• Safety thanks to cool cabinet surface temperatures.
• One piece copper heat exchanger/header for no-leak performance.
• Easy installation with plug-in 120 volt electric cord.
• Models available for liquid propane and natural gas.
• Small footprint of 16 3/8" x 27 5/8". Weighs 100 lbs.
• Made in USA


Gas Natural LPG Propane
BTU/hr 135,000
Thermal Efficiency 82%
Heat Exchanger Cupro Nickel
Hot Surface Ignition Silicon Nitride
Combustion Fan-Assisted
Low NOx Emissions Yes
Digital Thermostat Yes
Remote Compatible 2-wire and 3-wire
120 Volt Power Cord Yes
Wattage 240
Water Connections 1.5" flex
Maximum Amperage Draw 2
Gas Connection at Heater 0.75"
Installation Location Outdoor ONLY
Width (inches) 21.5"
Depth (inches) 29.75"
Height (inches) 22.5"
Footprint Width (inches) 16.375"
Footprint Depth (inches) 27.675"
Heater Weight (lbs) 100 lbs.
Certification CSA

Hayward H135IDP1 and H135ID1 are CSA Certified

Performance Data

Above-Ground Pools - Temperature Rise in 8 Hours

Pool Size Gallons Avg. Temp Rise (°F)
15' Round 5,300 20.5
18' Round 7,600 14
12' x 24' Rectangle 8,600 13
21' Round 10,000 10.8
24' Round 13,500 7.6
27' Round 17,000 6.5

Spas - Temperature Rise in 1 Hour

Spa Size Avg. Temp Rise (°F)
350 Gallon 38
400 Gallon 33.8
500 Gallon 27
700 Gallon 19
1000 Gallon 13.5


Service and Installation Manual. Warranty terms are on page 43.
H135ID1 Brochure

Frequently Asked Question ("FAQ")

Q: Should I buy and use a pool cover?
A: A pool loses heat from evaporative cooling. That's the cooling effect when water evaporates from the surface of the pool. It accounts for about 75% of a pool’s heat loss. And, a pool cover can reduce the heat lost from a pool by approximately 50%, and directly translates into a 50% reduction in your power consumption. That's a dramatic savings in your fuel bill.

In addition to lowering your energy bill, a pool cover will provide a valuable safety by preventing people from falling in accidentally, conserving chemicals, and reducing the load on filter systems by preventing debris from entering the pool.

Return Policy: At Hayward's option, defective product may be repaired on site or replaced with a new shipment. In case of freight damage, the buyer is responsible to file claim with the freight company.

Installation Help and Recommendations

We recommend that you have a professional pool heater installer review the above recommendations. Need an installer? Get 4 FREE Pool Heater Installation Estimates Now. It's Quick and Easy!
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Contractors: Apply for Wholesale Pricing from GadgetsGo.com.

Hayward®, Goldline, Aqua Rite, H-Series, Swimclear, Ecostar and HeatPro are registered trademarks of Hayward Industries, Inc. GadgetsGo is not associated with or sponsored by Hayward Industries, Inc.

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