$3,179.00

Qty:

By Hayward Pool Products


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Part # W3H250FDN

Warranty 1 Year

Alternate Part #'s HAYW3H250FDN

Product Description

Universal H-Series Low NOx Heaters 

For In-Ground Pools and Spas - Electronic Ignition Dual Thermostat



Now With Cupro Nickel Heat Exchanger!

NEW Hayward Universal H-Series Low NOx heater combines industry-leading hydraulic performance; environmentally responsible low NOx emissions and a standard cupro nickel heat exchanger with a low profile appearance, lighter weight design, independent left or right side electric, water and gas connections plus 2" x 2 1/2" CPVC union connections to provide the ultimate installation flexibility for new or existing equipment pads.

It also includes a forced draft system that constantly moves air through the combustion chamber at a precise flow rate. As a result, all outside weather variables that can affect the heating performance, such as wind conditions, are eliminated - without having to install a high-wind stack.

NOTE: The Hayward Universal H-Series heaters meet the NOx Emission standards set by the California South Coast Quality Air Management Commission for 2001 and the Texas Natural Resource Conservation Commission Code.

Applications:

  • Forced draft system constantly moves air through the combustion chamber at a precise flow rate, eliminating all outside weather variables that can effect the heating performance, such as high wind conditions -- without a high wind stack.
  • Our patented single header "V" baffle design heat exchangers allow for long life, fast heating and virtually no condensation. All Hayward heat exchangers are now constructed with highly resilient Cupro Nickel for greater durability and longevity even in salt-based, high flow or aggressive water chemistry set ups.
  • Easy-to-read L.E.D. digital Control Panel provides digital temperature readout and diagnostics for quick identification of components that might need service.
  • New polymer header provides superior hydraulic performance to save energy and protect against the damaging effects of erosion from high flow conditions for improved reliability.
  • Designed for today's larger diameter plumbing systems with 2" x 2 1/2" CPVC unions.
  • 1 Year limited warranty
  • Now with Cupro Nickel Heat Exchanger

Overall Dimensions

Product Specifications

BTU:
250,000 BTU
Gas:
Natural
Ignition:
Electronic
Thermostat:
Dual
Weight:
165 lbs.
Width:
28 in.
Elevation:
0-10,000 ft.
Heat Exchanger:
Cupro-Nickel
Special Feature:
Low NOx Emissions
Type:
Low NOx
Heater Type:
Natural Gas
Manufacturer:
Hayward
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?     Asked on 12/29/2011by Guest

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

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.
 Reply


?     Asked on 1/16/2012by Guest

Will a gas heater operate at the low speed of a dual speed motor?
 Reply

A  Answered on 1/16/2012 by InyoPools Product Specialist Patrick P.

Probably not - Most gas heater will shut off at low GPM levels (20-40) to keep the heater cores from overheating - 20 for 200 BTUs, 40 for 400 BTUs. Depending on your pool system you might get these GPM levels at the low speed but generally these heaters must be run at the motor's high speed.
 Reply


?     Asked on 10/10/2012by Guest

What is the difference between an Electronic and Millivolt ignition?
 Reply

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.
 Reply


?     Asked on 10/18/2012by Guest

What is the elevation rating for the Hayward H-Series Low Nox Heaters
 Reply

A  Answered on 10/18/2012 by InyoPools Product Specialist Patrick P.

Per Hayward, the Hayward H-Series Low Nox Heaters have an elevation rating up to 7,700'
 Reply


?     Asked on 1/17/2013by Guest

Is a vent required for typical outside installation for the Hayward 150k Ng Lo Nox heater?
 Reply

A  Answered on 1/17/2013 by InyoPools Product Specialist Patrick P.

For the Hayward  Lo Nox heater, you would not need to purchase an additional vent if you are using it outside. If you are installing the heater outside, we recommend you purchasing a heater cover. This will protect your heater from debris, rain, snow, heat- or pretty much anything that could get caught in your heater. The Weather-Out Pool Heater Cover  can be viewed on our website.
 Reply


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Difficulty

Est. Repair Time

2 to 4 hrs

Tools Needed

Screwdriver, Pliers, Wrench Set

1     4

I was looking st making a major repair in a 10 year old heater

Written on 5/15/2017 by Guest

My previous heater was problematic for the last ten years. With that being said I opened the pool this year and tryied stating the heater and the exhaust fan was totally rotten. I decided to turn threats INYO like always and purchase a new one The purchase and the delivery was seemless as always

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