1. ClearFire-LC Hydronic Boiler Solution

2. ClearFire Family Capacities from 400 to 12,000 MBH 2 ClearFire-H - Steam ClearFire-C - Condensing ClearFire-V - Steam ClearFire-W - Near Condensing ClearFire-LC - Condensing

3. ClearFire-LC Overview Total integration in a small footprint with unprecedented power for hydronic applications New in 2013, the revolutionary CFLC line provides maximum flexibility for larger facilities with enhanced efficiency The larger capacity design allows the most effective installation by using fewer units as opposed to banks of smaller boilers, thus reducing capital cost, complexity and maintenance Rounds out the ClearFire product offering 3

4. ClearFire-LC Features Fully condensing hydronic boiler Ultra-low emissions True counter-flow heat transfer – up to 99% efficiency Maximized effective heating surface Reduce energy consumption by as much as 40–50% compared to traditional non-condensing boiler systems Standard 5:1 turndown Compact footprint and application versatility for maximum design flexibility Complete factory integrated package Standard design: ASME Section IV Hot Water 160# MAWP, 250F MAWT cULus Listed, ASME CSD-1 4

5. ClearFire-LC 5 Six sizes ranging from 4,000 to 12,000 MBTU/hr Can support facilities requiring as much as 96,000 MBH in one condensing heating plant – when implementing our integrated lead-lag control with up to 8 boilers Capacity 4000=4,000 MBTU/hr 5000=5,000 MBTU/hr 6000=6,000 MBTU/hr 8000=8,000 MBTU/hr 10000=10,000 MBTU/hr 12000=12,000 MBTU/hr

6. ClearFire-LC 6 Applications Building Heating, Process Heating Institutional: hospitals, schools, universities Larger office, hotels or corporate campuses Hybrid hydronic heating systems – new and retrofit Any hydronic system requiring fewer number of condensing boilers Applications Building Heating, Process Heating Institutional: hospitals, schools, universities Larger office, hotels or corporate campuses Hybrid hydronic heating systems – new and retrofit Any hydronic system requiring fewer number of condensing boilers

7. ClearFire-LC 7

8. 8 ClearFire-LC Optimized Heat Exchanger True Counter-Flow Arrangement EX Spiral Tubes Premix Gas Burner SS AluFer® Tubes

9. 9 ClearFire-LC Optimized Heat Exchanger Water Supply Outlet Large Water Volume Low Water- side Pressure Drop Low Flow Tolerant Thermal Shock Resistant No Minimum Return Temp Water Return Inlets

10. 10 ClearFire-LC Dual Temperature Returns Low Temperature Return Inlet High Temperature Return Outlet Enhanced Condensing Performance More Energy Saving Opportunities

11. 11 ClearFire-LC Premix Burner, Ultra-Low Emissions Combustion Air Inlet Venturi Fuel Train Full Modulation With 1:1 Fuel-Air Ratio Control Flue Gas Outlet Flue & Condensate Collection Chamber Low Emissions – Linear PID Modulation Variable Speed Premix Blower

12. 12 ClearFire-LC Integrated Control Built-In Lead-Lag (Up To 8 Boilers), Outdoor Reset & Pump/Valve Control Falcon Hydronic Control Building Energy Management System Interface To Minimize Energy Wasting Short Cycling

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