Model FTH
Flexible Watertube Hot Water Boiler
The FTH Flexible Watertube Hot Water Boiler’s flextube forced draft design offers high fuel-to-output efficiency in a compact, maintenance-friendly design. It harnesses natural heat convection to ensure consistent internal heat distribution and complete internal water circulation. Noted for its small footprint compared to a horizontal firetube, the FTH Flexible Watertube Hot Water Boiler fuel-fired hot water boiler accommodates up to 150°F temperature differences from the supply and return.
Features & Benefits
- Virtually instantaneous hot water
- Individual carbon steel tubes bent into a serpentine configuration connect the lower return water vessel to the upper supply water vessel to form a five-pass heat transfer space that provides approx. 5 sq. ft. of heating surface per BHP
- A single down-comer connects the upper and lower vessels outside the boiler cabinet to optimize natural internal convection and ensure positive water circulation through the heating tubes, resulting in a pressure vessel that accommodates up to 150oF temperature rise between supply and return to deliver hot water almost instantaneously without the risk of thermal shock
- FTH-1/2/3 Series hot water boilers are configured with tangent water walls on three sides of the combustion chamber requiring tube removal clearance on only one side of the boiler
- FTH-4/5/6 Series hot water boilers are configured with tangent water walls on four sides of the combustion chamber requiring tube removal clearance on both sides of the boiler
- All models can be supplied in a ‘knock-down’ condition to fit where access is limited, then reassembled with NO on-site code welding required
- Available in low NOx configurations as low as sub-9ppm
- 25-year warranty protecting the vessel against thermal shock
Model FTH Flexible Watertube Hot Water Boiler Models
Coming soon.
Features of the Model FTH Flexible Watertube Hot Water Boiler
Model FTH Flexible Watertube Hot Water Boiler Options
The FTH Flexible Watertube Hot Water Boiler can be configured to communicate with any building management system. Other available options include construction under ASME Section I/VIII for high temperature hot water applications.
Model FTH Flexible Watertube Hot Water Boiler Dimensions
Burner Data
Applications for the Model FTH Flexible Watertube Hot Water Boiler
- Hydronic heating
- Hot water
- Humidification
Contact A Sales Rep About Model FTH Systems
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Analytical Combustion Systems
Roger Chapman
6 Berkshire Blvd. , Suite 306
Bethel, Connecticut 06801
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2016 Babcock Blvd.
Pittsburg, Pennsylvania 15209
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12344 Southeastern Ave,
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Shawn Brewer
1433 NJ-34, Unit C4
Wall Township, New Jersey 07727
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John Kelly
1137 Kinsie Ct
Naperville, Illinois 60540
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Keith Averitt
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Matt Whitaker
Colton Whitaker
PO Box 566
Lithia , Florida 33547
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Trey Anderson
2009 Roane Street
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Robert Yates
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1009 N Bittersweet Ct.
Nixa, MO 65714
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20 Scanlon Drive
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Milwaukee, Wisconsin 53202
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20715 50Th Ave. West
Lynnwood, Washington 98046
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Salt Lake City, Utah 84115
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434 Garden Oaks Blvd.
Houston, Texas 77018
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857 Pendale Rd.
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7027 Twin Hills Ave.
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Knoxville, Tennessee 37932
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Judd Vail
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Kevin Mcgovern
4245 Diplomacy Drive
Columbus, Ohio 43228
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Vince Dicaprio
Jeff Myers
4900 Brecksville Rd.
Richfield, Ohio 44286
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88 University Avenue
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4488 Duanesburg Road
Duanesburg, New York 12056
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Scott Blackmore
12 Kimler Drive
Maryland Heights, Missouri 63043
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15350 Minnetonka Blvd.
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Tom Bliznik Jr.
49627 Draper Circle
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Jeff Shook
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Jordan M. Gautreau
12026 Justice Ave.
Baton Rouge, Louisiana 70816
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Todd M. Lindrew, PE
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Burton Streater
4679 Hugh Howell Rd.
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7780 Westside Industrial Dr. , Unit # 4
Jacksonville, Florida 32219
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Martin Karch
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Englewood, Colorado 80112
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633 West Katella Ave. , Unit R
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Hayward, California 94545
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