Your Location required	Select Your Local Area ----- United States ----- Not Listed Alabama Alaska Arkansas - Northwest Corner Arkansas - Balance Arizona California - Northern California - Southern Colorado Connecticut Florida - Northern Florida - Central Florida - Southern Georgia - Northern Georgia - Central Georgia - Southern Hawaii Idaho - Northern Idaho - Southern Illinois - Northern Illinois - Southern Indiana Indiana - Bordering Cincinnati Indiana - Northwest Corner Iowa Kansas Kentucky Lousiana Maine Maryland Massachusetts Michigan Michigan - Upper Penninsula Minnesota Mississippi Missouri - Eastern Missouri - Western Montana Nebraska Nevada New Hampshire New Jersey - Northern New Jersey - Southern New Mexico New York City New York - Central New York - Long Island New York - Upstate New York - Western North Carolina North Dakota Ohio - Northern Ohio - Southern Oklahoma Oregon Pennsylvania - Eastern Pennsylvania - Central Pennsylvania - Western Rhode Island South Carolina South Dakota Tennessee - Central Tennessee - Eastern Tennessee - Western Texas - Brownsville Texas - Dallas Texas - El Paso Texas - Houston Texas - San Antonio Utah Vermont Virginia Virginia - Northern Washington Washington DC West Virginia Wisconsin ----- Canada ----- Ontario - Eastern Ontario - Western Quebec Nova Scotia New Brunswick Manitoba British Columbia Prince Edward Island Saskatchewan Alberta Newfoundland ----- Central & South America ----- Mexico Peru Puerto Rico ----- International ----- All Others Outside Of North America
Boiler Make required	Select Manufacturer or Type --- Firetubes (Scotch Marine) --- Boilersmith Burnham Columbia Continental Cleaver-Brooks Cyclotherm Donlee Eclipse English Boiler Easco Hurst Industrial Johnston Kewanee Myrggo North American Sellers Superior Apache Superior Aztec Superior Mohawk Superior Mohican Superior Seminole Superior Super Seminole Superior (other) Tecnolog Triad Boiler Systems Victory Energy Three-Pass Victory Energy Four-Pass Williams and Davis York-Shipley Unlisted Firetube --- Flextube Watertubes --- Bryan English BTBF Novatherm Unilux Flextube Universal Boiler Works Unlisted Flextube --- Industrial Watertubes (D-A-O-S Types) --- ABCO Aalborg B & W Bigelo Cleaver-Brooks D-Type Clayton Combustion Engineering English Boiler Erie City Foster Wheeler Fulton IBW Indeck-Keystone Keeler McBurney Murry Trane Nebraska Rentech Tecnolog Titusville Unilux Union Iron Works Vapower Victory Energy Volcano Zurn Unlisted Industrial Watertube
Boiler Capacity required	PPH HP BTUH TONS KW KPH
Inlet Water Temp required		Water & Gas Temperature Units deg Fdeg C
Firing Rate	Load Condition 1 100 % Firing	Load Condition 2 % Firing	Load Condition 3 % Firing	Load Condition 4 % Firing
Inlet Flue Gas Temp	Load 1 Required	Optional	Optional	Optional
	Flue Gas Temp @ 100% Load is Only Required Entry - Part Load Temperatures are Automatically Calculated if Left Blank
Target Flue Gas Exit Temperature required	- This is the temperature you want Bruce to target when sizing the economizer. If left blank Bruce will pick the mid-point of the flue gas and water inlet temperatures.
Annual Hours @ Firing Rate
Excess Air	12358101215172025303540455055 %	15358101215172025303540455055 %	15358101215172025303540455055 %	20358101215172025303540455055 %
Flue Gas Recirculation Rate	05152025 3035404550 %	FGR Taken Before Economizer FGR Taken After Economizer
Fuels Fired	5 Fins per Inch - Gas Firing With Standby #2 Oil 4 Fins per Inch - Gas and/or Consistent #2 Oil Firing 3 Fins per Inch - Heavy Fuel Oil Firing 2 Fins per Inch - Wood Firing
Current Boiler Efficiency	0.81 0.80 0.79 0.78 0.77 0.76 0.75 0.74 0.73 0.72 0.71 0.70 0.65 0.82 0.83 0.835 0.84 0.845 0.85 0.86 0.87 0.88 %
Blowdown Rate	0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 % - For boiler feedwater applications only
Stack Diameter	0 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 in	Leave 0 if diameter unknown
Fuel Price	9.50 4.00 4.25 4.50 4.75 5.00 5.25 5.50 5.75 6.00 6.25 6.50 6.75 7.00 7.25 7.50 7.75 8.00 8.25 8.50 8.75 9.00 9.25 9.50 9.75 10.00 10.25 10.50 10.75 11.00 11.25 11.50 11.75 12.00 12.25 12.50 12.75 13.00 13.25 13.50 13.75 14.00 14.25 14.50 14.75 15.00 15.25 15.50 15.75 16.00 16.25 16.50 16.75 17.00 17.25 17.50 17.75 18.00 18.25 18.50 18.75 19.00 19.25 19.50 19.75 20.00 20.25 20.50 20.75 21.00 21.25 21.50 21.75 22.00 22.25 22.50 22.75	dollars per million btu
Maximum Water Side Pressure Drop	15 205 10 PSI
Optional Selections Below
Custom Water Flow Rate Optional	PPH GPM Check to allow flow rate to track firing rate. Enter the water flow rate ONLY if the flow rate will differ from the boiler capacity flow rate. This feature is for economizers used in a non-traditional installation such as process water heating. If your application is a typical boiler economizer arrangement then leave this cell blank and leave units on PPH.
Water Specific Heat Optional	1.0 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2	for glycol systems

Ask Bruce for help and advice on different topics

• Click here to meet Bruce, Your On-Line Sales Engineer

• Need Advice on the Boiler Type Data Field? Click to Ask Bruce

• Need Advice on the Boiler Capacity Field? Click to Ask Bruce

• Need Advice on the Inlet Water Temperature Field? Click to Ask Bruce

• Need Advice on the Inlet Flue Gas Temperature Data Field? Click to Ask Bruce

• A brief tutorial is also provided for new users of this software. Click here for the Selection Tutorial.

Manual Unit Selection / Bypass Bruce - For Experienced Boiler Technicians Only:
AutoPick ON
AutoPick OFF - Manual Selection below
Experienced boiler professionals may bypass Bruce's AutoPick software and manually select a maximum gas side pressure drop from the selection chart below. Just because a data page will be printed out means HeatSponge confirms that a manually selected unit will work on a given boiler. Excessive backpressure will seriously impact boiler operation.

This feature is also a very good way to compare the performance of a competitive unit to a HeatSponge. If you are comparing units and the competitive unit has a higher gas side pressure drop than our AutoPick selects use this feature to see how a HeatSponge would compare to the competitive selection. Some competitors will try to sell a smaller unit with an excessively high backpressure simply to offer a lower price.
Select Maximum Allowable Backpressure: 0.05 0.06 0.07 0.08 0.09 0.10 0.12 0.15 0.17 0.20 0.22 0.25 0.30 0.35 0.40 0.45 0.50 0.55 0.60 0.65 0.70 0.75 0.80 0.90 1.00 1.25 1.50 1.75

Flue Gas Mass Flow Calculation Override - For Experienced Boiler Technicians Only:
Experienced boiler professionals may custom select the flue gas mass or volumetric flow rate. You must both enter the flow rate and units to use as well as check the override checkbox.
PPH ACFM SCFM KPH Bypass checkbox required

Final unit selection could be affected by other operational constraints. HeatSponge reviews all selections for accuracy prior to placement of any purchase order.