
Mega-Stor Solar Tank
Today’s growing demands for systems
utilizing alternative energy sources require
innovative products to meet these needs. The MSS
Solar tank from Crown Boiler is designed to
provide abundant domestic hot water from a
combination of energy sources such as solar,
ground water source heat pumps, and high
efficiency condensing or non-condensing boilers.
STANDARD FEATURES
• 316L Stainless Steel Tank
• Convenient access cap for easy service
• Dual coils
• Two control locations
• 1 ¼ Domestic connections
• Additional 1 ¼ connection located on the
side of the tank
• 15 Year Limited Warranty

DIMENSIONS and SPECIFICATIONS
CONNECTIONS
Key # Description
MSS79 MSS119
Size (NPT)
1 Cold Water Inlet 1 M 1-1/4 M
2 Lower Coil Return 3/4 M 3/4 M
3 Lower Coil Supply 3/4 M 3/4 M
4 Upper Coil Return 3/4 M 3/4 M
5 Upper Coil Supply 3/4 M 3/4 M
6 Hot Water Outlet 1 F 1-1/4 M
7 Additional Tank Tapping 1-1/4 F 1-1/4 F
8 T&P Valve Tapping 1 F 1 F
9 & 10 Control Well N/A N/A
Approx.
Model
MSS-79S 76 2 10 21-3/4 26 35 42-1/4 50-1/2 56-1/2 59-1/2 24 68-3/4 9.47/10.14 126
MSS-119S 116 2 11-1/2 22-1/2 27-1/2 30-1/4 35 46 49-1/4 52-1/2 29 67 9.47/10.14 210
Volume
(Gal)
A B C D E F G H I J K Upper/Lower
Dimensions in Inches
Coil Surface
Sq. ft.
Weight
(lbs)
3633 I Street, Philadelphia, PA 19134
Phone: (215) 535-8900 Fax: (215) 535-9736
email: sales@crownboiler.com website: www.crownboiler.com
4/09