800.582.8423
www.stiebel-eltron-usa.com
More Hot Water & Faster Recovery Time
Made in
Germany
MegaBoost
DHW TANK BOOSTER
› Up to 71% more hot water
› Almost 5x faster recovery time
› Boosts at 100% efciency
› Works on new or existing
gas or electric tanks
› Expands tank capacity
without increasing tank size
Hot water
to house
MEGA
Hot water
to house
Need more hot water?
Made in
Germany
Can’t fit a bigger tank water heater in the space?
MegaBoost is designed to be installed with any domestic hot water tank, new
or existing, gas or electric. It will provide more hot water for longer showers
and shorten the tank's recovery time.
It achieves its boosting effect at 100% efficiency. MegaBoost installation is
flexible as it is designed to be installed on either the tank's cold water inlet
or on the hot water outlet. A 30-gallon tank with MegaBoost installed on the
hot water outlet will provide 54% more hot water than the tank will without
MegaBoost.
If MegaBoost is installed on the cold water inlet it will provide 71% more hot
water. In addition, the recovery rate for the tank is also reduced, significantly
reducing the wait time for the tank to recharge. MegaBoost may allow using a
smaller tank than a larger one which will save space and save money by preventing the increased standby losses of a larger tank.
Install in new construction
or retrofit with an existing tank.
MEGA
BOOST
Electric or gas
tank water heater
30 Gal Tank
alone
Cold
water
MegaBoost
supply
+ Tank
installed on
hot outlet
2.5
3.5
Number of
Showers
Recovery
Time
12
1 hr 25 min.
12
35 min.
Tub Filling
Capacity
C-
A-
Electric or gas
tank water heater
BOOST
Cold
water
supply
MegaBoost
+ Tank
installed on
cold inlet
4
12
17.5 min.
A+
Eco /
Saves Energy
Saves space
Saves $
Quiet
More water
reduces standby losses
15 A
15
A
accuracy
Eco /
Saves Energy
Saves space
Saves $
Quiet
Eciency
More water
2x larger
reduces standby losses
100
made in germany with
experience
multiple xtures
15 A
15
A
accuracy
Eco /
Saves Energy
Saves space
Saves $
Quiet
More water
2x larger
reduces standby losses
made in germany with
experience
15 A
15
A
accuracy
Eco /
Saves Energy
Saves space
reduces standby losses
accuracy
reduces standby losses
accuracy
Eco /
Saves Energy
reduces standby losses
Eco /
Saves Energy
Saves space
Saves $
Quiet
reduces standby losses
accuracy
82 gal.
74 gal.
35.42 min.
17.5 min.
Available
Hot Water
More gallons is better
Recovery Time
Shorter time is better
48 gal.
85 min.
Aqua Power
plus 30 Gal. Tank
on cold inlet
Aqua Power
plus 30 Gal. Tank
on hot outlet
30 Gal. Tank
alone
%
More hot water for more
showers or longer showers
Achieves its boosting effect
at 100% efficiency
Makes a small tank
perform like a large tank
Actual
testing
results
30 Gal. Tank
alone
48 gal.
MegaBoost
plus 30 Gal. Tank
on hot outlet
74 gal.
54% More!
MegaBoost
plus 30 Gal. Tank
on cold inlet
82 gal.
71% M
ore!
Saves space
Fast & accurate hot water
temperature adjustment for
convenience and comfort
Saves energy
Saves money by preventing the
increased standby losses of a
larger tank replacement
Save the most space — install a MegaBoost
AND our PSH Plus wall-mounted tank!
Available
Hot Water
More gallons is better
Recovery Time
Shorter time is better
35.42 min.
§ Up to 71% more hot water!
§ About 5 times faster recovery!
Everybody gets hot showers!
Tub filling won’t empty the tank.
85 min.
MegaBoost + PSH Plus =
maximum output in
minimum space
17.5 min.
r
ecovers
alMost 5x
faster!
The ultimate solution for tight
spaces, MegaBoost paired with
a PSH Plus wall-mounted tank
water heater gets the entire water
heating system off the floor, freeing
up valuable space.
Conforms to ANSI/UL
Std. 499
Certified to CAN/CSA
E335-1 & E335-2-35
7 years leakage/
3 years par ts.
Complete warranty
online.
Tested and certified
by WQA against NSF/
ANSI 372 for lead free
compliance.
W
DP
NPT
Tested and certified by WQ A
against NSF/ANSI 372 for lead
free compliance.
Certified to ANSI/UL Std. 499
Conforms to CAN/CSA 22.2 No. 64
84335
Technical Data
Made in
Germany
Model Item Number MegaBoost 524201
Phase single 50/60
Voltage 240 V
Wattage 9.6 k
Amperage 40 A
Min. recommended circuit breaker
Min. recommended wire size
1
(
) 40 A
2
(copper) 8/2 AWG
Min. water flow to activate unit 0.264 gpm (1.0 l/min)
Max. inlet water temperature 131
Weight 5.9
lb (2.7 kg)
Nominal water volume 0.13
Dimensions
Width
Height
Depth
1
7
/8
�
3
/
14
1
/8
4
�
Working pressure 150
Tested to pressure 300 psi (20 bar)
Water connections ½�
1
This is our recommendation for overcurrent protection sized at 100% of load.
Check local codes for compliance if necessary. Tankless water heaters are
considered a non-continuous load.
2
Copper must be used. Conductors should be sized to maintain a voltage drop
of less than 3% under load.
Hz
°F (55 °C)
gal (0.5 l)
(20.0
cm)
16
(36.0
cm)
�
(11.0
cm)
psi (10 bar)
Conforms to ANSI/UL
Std. 499
Certi fied to CAN/CSA
E335-1 & E335-2-35
Tested and certified
by WQA a gainst NSF/
ANSI 372 for lead fre e
compliance.
7 years leakage/
3 years parts.
Complet e warranty
online.
Stiebel Eltron has been a world leader
in the development of advanced water
heating technology since 1924. Our pursuit
of engineering excellence and high-quality
manufacturing results in products fulfilling
the highest expectations of performance
and reliability. They are …
Simply the Best
The Family of Products from Stiebel Eltron
Hot Water Solutions
®
Accelera
Heat Pump
Water Heaters
Top-rated heat pump
water heaters
Room Heating and Hand Dryers
CNS-E
Silent Convection
CK & CKT
CK Trend
Ultra-Quiet Fan
Distributed by:
Whole House &
Point-of-Use
Ultronic™
High Speed
Galaxy™
Ultra-Quiet
Tankless
electric
water
heaters
Stiebel Eltron factory in Holzminden, Germany
Stiebel Eltron's factories in Germany are in Holzminden and
Eschwege. The company has additional factories in Slovakia,
Thailand and China.
Due to our continuous process of engineering and technological advancement, specifications may change without notice.
17 West Street
West Hatfield, MA 01088
TOLL FREE 800.582.8423
PHONE 413.247.3380
FAX 413.247.3369
@
info
stiebel-eltron-usa.com
www.stiebel-eltron-usa.com
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