Biomass Hot Water Storage Tanks

It’s hard to beat atmospheric water tanks for biomass heat storage if you’re interested in cost savings, efficiency and renewable energy. At Hydroflex Systems, Inc., we engineer and manufacture heat storage tanks for biomass systems, as well as pellet burning systems.

These products feature the advantages of atmospheric heat storage systems, along with the added value that emerges from our extensive experience with biomass hot water storage. We’re here to meet your biomass heat storage tank needs.

Wood Burning Storage Tanks

Hydroflex Systems offers flexible wood boiler hot water storage tanks that have been in the marketplace for over 30 years. Our manufacturing department has accumulated unparalleled experience in the construction, crating and shipping of these tanks. We offer a superb technical support for tank sizing and system design. We are constantly improving our products.

Standard water storage tanks are constructed with two layers of 1” polyisocyanurate foil faced insulation, embossed aluminum which acts as the structural skin, and an EPDM liner.  XR tanks have added insulation. The tank sizes range from 100 gallon to 5,000 gallon capacity. Properly designed, installed and maintained, Hydroflex water storage tanks will give many years of trouble free service and can be specified with confidence.

Tanks can be treated for outdoor use after installation.

The Advantage of Biomass Heat Storage Tanks From Hydroflex

What makes Hydroflex different from the competition? Our biomass hot water storage tanks feature the value of:

  • Insulation: Choose the perfect R-value for your unique needs and enjoy on-demand heat and domestic hot water.
  • Customization: What are your specific needs? We offer capacities ranging from 100 to 5,000 gallons. No matter the size of your biomass heat storage tank, it will fit easily through standard doorways, ensuring easy delivery and installation.
  • Innovation: At Hydroflex, we stay on the leading edge of the industry. We’re constantly incorporating the latest developments into our water tanks for wood burning heat storage. When you choose Hydroflex, you can be sure you’re getting the best of the best in biomass heat storage tanks.

Serving North America and beyond for more than 30 years, we rely on experience, knowledge and a passion for exceptional customer service as we help you engineer a biomass heat storage tank system.

 

View our selection of biomass heat storage tanks.

 

Atmospheric Water Storage Tank Specifications

Tanks Models

4' tanks

model
number

(add XR for tanks with extra R value)

capacity
(gal)
diameter
(in)
height
(in)
weight
(lbs)
crate size (in)
width x height length
max no.
of coils†

(nominal)





T100 100 33 48 119 19 x 52 55 1
T150 150 36 48 129 19 x 52 60 1
T200 200 40 48 137 19 x 52 65 1
T225 225 44 48 141 20 x 52 70 1
T250 250 48 48 155 19 x 52 75 2
T300 300 52 48 166 19 x 52 80 3
T400 400 58 48 185 19 x 52 90 3
T500 500 64 48 206 19 x 52 100 4
T600 600 70 48 227 19 x 52 110 5
T700 700 76 48 241 19 x 52 120 6
T800 800 80 48 267 19 x 52 125 7
T950 950 86 48 303 19 x 52 135 8
T1200 1200 96 48 359 19 x 52 151 9
T1300 1300 100 48 386 24 x 52 157 *10
5' tanks model
number
capacity
(gal)
diameter
(in)
height
(in)
weight
(lbs)
crate size (in)
width x height length
max no.
of coils†

(nominal)





T350-5 350 48 60 179 19 x 63 75 1
T400-5 400 52 60 222 19 x 63 80 2
T500-5 500 58 60 226 19 x 63 90 3
T600-5 600 64 60 264 19 x 63 100 4
T700-5 700 67 60 270 19 x 63 105 5
T800-5 800 70 60 274 19 x 63 110 5
T950-5 950 76 60 309 19 x 63 120 6
T1000-5 1000 80 60 338 19 x 63 125 7
T1200-5 1200 86 60 371 19 x 63 135 8
T1500-5 1500 96 60 426 19 x 63 151 9
T2100-5 2100 110 60 732 24 x 63 172 *10
T2500-5 2500 120 60 784 24 x 63 188 *12
6' tanks model
number
capacity
(gal)
diameter
(in)
height
(in)
weight
(lbs)
crate size (in)
width x height length
max no.
of coils†

(nominal)





T800-6 800 64 72 281 19 x 76 100 4
T1000-6 1000 70 72 314 19 x 76 110 5
T1100-6 1100 76 72 354 19 x 76 120 6
T1300-6 1300 80 72 382 19 x 76 125 7
T1500-6 1500 86 72 413 19 x 76 135 8
T1900-6 1900 96 72 523 19 x 76 151 9
T2000-6 2000 100 72 754 24 x 76 157 *10
T3000-6 3000 120 72 888 24 x 76 188 *12
T3400-6 3400 128 72 954 24 x 76 201 **
7' tanks model
number
capacity
(gal)
diameter
(in)
height
(in)
weight
(lbs)
crate size (in)
width x height length
max no.
of coils†

(nominal)





T1700-7 1700 86 84 666 19 x 90 135 8
T2200-7 2200 96 84 774 19 x 90 151 9
T2800-7 2800 108 84 925 24 x 90 170 *10
T3500-7 3500 120 84 1064 24 x 90 188 *12
T4000-7 4000 128 84 1179 24 x 90 201 **
T4500-7 4500 135 84 1278 24 x 90 212 **
T5000-7 5000 142 84 1344 24 x 90 223 **

*piping layout and assembly will be challenging
** consult factory before ordering coils
†does not apply to 90|120coil

List of System Piping Schematics


Commercial Domestic Hot Water (DHW) Forced Air Heating and DHW
Radiant Floor Heating and DHW Pool Heating and DHW
Hot Water Baseboard and DHW

In order to prevent heat loss through loop, a heat trap is utilized.


Heat Trap Diagram Model