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Universal H-Series
POOL AND SPA HEATERS
Right for so many
reasons. Perfect for
so many applications.
HEATING
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Hayward® Universal H-Series Heaters:
Energy effi cient and universal
fi t for added convenience.
Easy installation, simple operation.
Exclusive
to Universal
H-Series
Heaters
Environmentally Friendly
Dual Voltage
Installation is simplified
with voltage that adapts
to either 110V or 220V.
DUAL VOLTAGE
State-of-the-Art Finn
Plate Heat Exchanger
State-of-the-industry Finn
Plate heat exchanger with
special V-groove design
for faster heating and
longer life.
Superior Hydraulic
Performance
Industry-leading hydraulic
performance saves
energy by reducing
circulation pump run time.
STANDARD Cupro
Nickel Heat Exchanger
Totally Managed Flow
provides exceptional
corrosion resistance and
erosion protection. Ideal for
today’s salt-based electronic
chlorination systems.
Cu Ni
CUPRO NICKEL
Hayward is always looking for ways to make pool and spa ownership
as affordable and effortless as possible. Our Universal H-Series pool
and spa heaters combine advanced technology with universal-fi t fl exibility,
making them a smart choice for virtually any new installation or system upgrade.
They deliver state-of-the-industry performance, save up to 18% on energy costs, have
extremely low NOx emission levels and a legendary reputation for durability. They’re
offered in 150,000, 200,000, 250,000, 300,000, 350,000 and 400,000 BTU/hr. models.
A choice of left-side or right-side electric,
gas and water connections gives Universal
H-Series heaters unprecedented installation
fl exibility. This enhanced adaptability –
coupled with a lightweight design, a modern
low-profi le appearance and front-panel
only access required for both installation
and service – ensures compatibility with
virtually all new or existing systems and
equipment pad confi gurations.
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Hot-Surface Silicon
Nitride Ignition System
Exclusive silicon nitride
ignition system for
dependable lighting and
reliable operation.
Low NOx Emissions
Environmentally
responsible; complies
with all current California
and Texas air quality
emission standards.
Environmentally Friendly
Insulated FireTile®
Combustion Chamber
Unlike older forms of
insulation, FireTile securely
traps the heat, delivering
the most performance
from each BTU.
Digital LED Control Panel
Electronic control
display maintains water
temperature; monitors
heater performance with
self-diagnostic capability.
Universal Wiring
Junction Boxes
High and low voltage
connections are easy and
convenient with left and
right side junction boxes.
H250FD
H400FD
H150FD
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Selecting the correct size
H-Series heater:
For Your Spa or Hot Tub
Determine your spa capacity in gallons (surface area x average depth x 7½).
The reference table lists the time required in minutes to raise the temperature of the
spa/hot tub by 30˚F. In the table below, locate the column with the spa/tub size in gallons
that is closest to yours. Select the desired time to raise the spa/hot tub temperature 30˚F,
read to the left and select the appropriate H-Series model.
This guide can be adjusted for other temperature rises. For example, if you desire a 15˚F
increase in temperature, simply divide the time for 30˚F rise by the ratio of 30/15, or 2.
Note: Heat lost and/or heat absorbed by spa walls or other objects will add to the time
it takes the spa to heat up.
Spa sizing is based on an insulated and covered spa. Always cover your spa or hot tub
when not in use to minimize heat loss and evaporation.
For Your Swimming Pool
Determine your pool’s surface area in square feet:
In this table, locate the surface area that
is equal to, or just greater than, the pool’s
surface area. To the left of this number is the
appropriate H-Series model that will fi t the
selected area.
For indoor pool installations, divide the pool’s
surface area by 3.
Table is based on a 30° F temperature rise, 3½ mph average
wind velocity and elevation of up to 2,000 feet ab ove sea level.
AB
LR
L
W
Area = (A+B) x L x .45 Area = R x R x 3.14 Area = L x W
MODEL SURFACE AREA
H400 1,200
H350 1,050
H300 900
H250 750
H200 600
H150 450
MODEL
SPA/TUB SIZE IN GALLONS
200 300 400 500 600 700 800 900 1,000
Time in Minutes to Raise Spa/Tub Temperature 30˚F
H400 9 14 19 23 28 33 37 42 47
H350
11 16 21 27 32 37 43 48 54
H300 12 19 25 31 37 44 50 56 62
H250 15 22 30 37 45 52 60 67 75
H200 19 28 37 47 56 66 75 84 94
H150 25 37 50 62 75 87 100 112 125
Specifi cations and
Dimensions:
H-Series heaters are available in a comprehensive range of BTU sizes for natural or propane
gas. All units are certifi ed by the Canadian Standards Association and carry the exclusive
Hayward® warranty.
H250 H200 H150
BTU/Hr. 250,000 200,000 150,000
Width (Inches) 27" 24½" 21½"
Depth (Inches) 27½" 27½" 27½"
Height (Inches) 28½" 28½" 28½"
Water Connections 1½" x 2" 1½" x 2" 1½" x 2"
Heat Exchanger Cupro Nickel Cupro Nickel Cupro Nickel
Indoor Vent Pipe Diameter (Inches) 7" 7" 6"
HWS Stack Height (Inches) 17¼" 15¼" 14"
Heater Weight (lbs.) 144 141 131
Gas Connection at Heater ¾" ¾" ¾"
H400FD H350FD H300FD H250FD H200FD H150FD
BTU/Hr.
400,000 350,000 300,000 250,000 200,000 150,000
Width (Inches)
36" 33" 30" 28" 25" 21"
Depth (Inches)
29½" 29½"29½"29½"29½"29½"
Height (Inches)
24" 24" 24" 24" 24" 24"
Water Connections
2" x 2½" 2" x 2½" 2" x 2½" 2" x 2½" 2" x 2½" 2" x 2½"
Heat Exchanger
Cupro
Nickel
Cupro
Nickel
Cupro
Nickel
Cupro
Nickel
Cupro
Nickel
Cupro
Nickel
Indoor Vent Pipe
Diameter (Inches)
8" 8" 8" 6" 6" 6"
Heater Weight (lbs.)
160 158 145 134 123 110
Gas Connection
at Heater
¾" ¾" ¾" ¾" ¾" ¾"
Universal H-Series Heater
Millivolt Heaters
Effi ciency. Performance. Innovation.
Whether you want to extend your swimming season or swim year-round, Universal H-Series
gives you comfort with effi ciency. It’s the perfect addition to your Totally Hayward® System.
To take a closer look at Universal H-Series Heaters or other Hayward products, go to
www.haywardpool.com or call 1-888-HAYWARD
620 Division Street I Elizabeth, NJ 07201
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