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Indirect Hot Water Storage Tanks
An indirect storage tank is a hot water heating device that does not have its own heat source. It is typically connected to a boiler that provides the heat energy through piping connected to the tank. The tank incorporates a stainless steel heat exchanger which transfers the heat energy from the boiler water to the water inside of the tank. The two fluids are not in contact but the transfer of heat is very efficient. The tanks we carry are very well insulated to prevent standby losses. The tanks are constructed using stainless steel so they last forever!
LOCHINVAR: indirect hot water tanks
The SQUIRE indirect water
heater works in service to the
KNIGHT, providing a
continuous supply of domestic
hot water. The dependable
stainless steel tank and heating
coil offer a recovery rate up to
three times faster than
conventional gas or electric water heaters. And when in the service
of the 98% efficient KNIGHTHeating Boiler, less fuel is consumed
for lower energy bills.

Five Models – From 30 to 120 gallons
• High Recovery
• Built-In, Pre-Wired Thermostat
• Dent Resistant Jacketing
• 316LPassivated Stainless Steel
Construction
• Large Heat Exchanger
• Ultra Light Weight
• 150 psi Working Pressure Tank
• 150 psi Working Pressure Coil
Standard Features
• 316LPassivated Stainless Steel Tank
• High Capacity Single Wall Stainless Steel Heating Coil
• Adjustable Thermostat
• Built-in Thermometer
• Recirculation Loop Connection
• 1" Boiler Supply and Return Connections
• 1" Domestic Water Connections
• Non-CFC Foam Insulation
• Removable Corrosion Resistant Outer Jacket
• Temperature and Pressure Relief Valve Opening
• Warranty -Limited Lifetime
- Five year warranty on Commercial.
- One year warranty on parts.
- (See warranty for details)
And since the KNIGHT is standard with Domestic Hot Water
Prioritization, the KNIGHT and SQUIRE are ready to go into
battle, right out of the box!
PDF DOWNLOADS
• Literature
• Installation Guide
• Warranty
COILEX: indirect hot water tanks
The coilex stainless steel indirect water heater delivers all the hot water that's needed...
Quickly and efficiently—with a lifetime warranty!
The Coilex indirect water heater is an affordable, efficient and trouble-free way to ensure a continuous supply of domestic hot water for all your household needs.

Our new Coilex series uses energy from any hydronic home heating system, including low mass boilers, to heat an abundant source of hot water. This results in considerable energy savings over other hot water heating systems. And, it gives the user a constant supply of hot water.
Coilex indirect water heaters are ideal for a variety of uses, including hydronic radiant floor heat, solar heat and steam applications. They provide that extra hot water needed for whirlpools, households with multiple bathrooms and appliances, plus other high-volume hot water requirements. With the Coilex water heater, everyone can use the hot water without fear of running out and consuming additional energy. We are so sure of our product that it comes with a limited lifetime warranty.*
Made of the highest quality materials for excellent performance and reliability, the Coilex indirect water heater is built to be long lasting. The construction features and materials we include as standard in our product are as follows:
| Specifications |
CX1-30 |
CX1-40 |
CX1-40L |
CX1-50 |
CX1-60 |
CX1-80 |
CX1-115 |
| Pump Capacity GPM |
5 |
5 |
5 |
8 |
10 |
13 |
17 |
Loss in Feet of Head |
1.4 |
1.4 |
1.4 |
2.5 |
3.5 |
5.9 |
13 |
Capacity - gallons |
30 |
40 |
40 |
50 |
60 |
80 |
115 |
Boiler Output (MBH) |
75 |
85 |
85 |
100 |
125 |
175 |
225 |
Output* - First Hour (Gal.) |
112 |
145 |
145 |
170 |
212 |
285 |
390 |
Output* - Continuous (Gal.) |
91 |
115 |
115 |
135 |
167 |
233 |
300 |
Domestic MPT Connections |
3/4" |
3/4" |
3/4" |
3/4" |
3/4" |
1" |
1 1/2" |
Boiler MPT Connections |
1" |
1" |
1" |
1" |
1" |
1" |
1" |
Recirculation Connection |
NA |
NA |
NA |
NA |
NA |
3/4" |
3/4" |
Diameter (inches) |
19.3 |
19.3 |
23.3 |
23.3 |
23.3 |
23.3 |
27.6 |
Height (inches) |
46.6 |
59.7 |
42.4 |
50.4 |
58.4 |
74.4 |
76 |
Shipping Weight |
65 |
80 |
80 |
95 |
110 |
140 |
180 |
|
All high grade 316L stainless steel construction:
- Stainless steel internal heat exchanger for fast heat transfer,
- Stainless steel shell and tank heads for longer life,
- Stainless steel coil and cold water diffuser helps resist scale build-up.
• Interior tank welding passivated for optimum corrosion resistance
• Full penetration welding and inverted cone on heat exchanger to ensure product integrity.
•
Unique spring support for coils.
•
Flame-retardant jacket with 2" polyurethane foam to minimize heat loss.
PLUS
• Individually packaged in cartons to prevent damage.
• Compact and light weight design for easier installation
• see warranty certificat
Stiebel Eltron
SBB...Plus Storage Tank for Solar Applications
Harvest the Power of the Sun. Our tanks are equipped with two heat exchangers and feature low standby loss due to 3" insulation.

Low standby loss due to 3" of foam insulation
Heavy steel with double glass line coating
With replaceable sacrificial anode
Superb quality results in long service life
Equipped with two heat exchangers with a large surface area
Click here for mounting hardware and solar accessories that are available by Stiebel Eltron, Inc.
Shown is our solar water heater made of heavy gauge steel. It incorporates an upper and a lower glass lined coil type heat exchanger, also made of steel. The tank has a well for a temperature sensing probe.
The upper heat exchanger coil is designed to be linked to a hydronic boiler. The lower coil is to be connected to the solar panels.

SOLAR ACCESSORIES
CLICK HERE for mounting hardware and solar accessories
that are available by Stiebel Eltron, Inc.
TECHNICAL DATA»
Also see Stiebel Eltron Tankless Water Heaters» |