2. Mestek History Founded in Westfield, MA in 1946 as Sterling Radiator by John E. Reed 4 employees in a rented garage Produced only hydronic finned-tube heating element

3. Mestek History Remaining private, became Reed National in 1960’s reflecting its growth beyond finned-tube radiation Though a reverse merger with Mestek, became a public company in the mid- 1980’s

4. Mestek Today Manufacturer of HVAC & Metal Forming Equipment NYSE-traded public company Headquartered in Westfield, Massachusetts 25+ Locations Throughout US and Canada Approx. 3000 Employees Approx. $375 million in Sales HVAC Metal Forming

5. HVAC Activities PLUMBING/HEATING WHOLESALERS

6. MECHANICAL, SHEET METAL & GENERAL CONTRACTORS HVAC DISTRIBUTORS PLUMBING/HEATING WHOLESALERS HVAC Activities

7. OEM National Accounts

8. RBI Futera III Modulation High Efficiency – up to 88% 500 to 2000 MBH 3:1 Continuous Turndown Stainless combustion chamber Low NOx (less than 10 ppm)

9. RBI Futera III Modulation Stainless Jacket Aluminum Frame NSF Rated Push Button Access

10. Futera III Efficiency

11. Long Life Burner Knit Metal Fiber Material Allows High Turndown of Fuel & Air Simple Service Electrodes Set Without Burner Removal

12. Burner Transition Piece to Fan Easy Removal Simple service

13. Dual Electrodes Ensures Correct Gap Reliability Easy to remove and Service Burner Remains Intact

14. Gasketless Heat Exchanger Eliminates Risk of Gasket Failure Simple Cleaning of Tubes Glycol Systems not an Issue

15. Heat Exchangers With Gaskets (Fire Side) One-Piece Gaskets Break Down Over Time Often Limited To 250 Degrees F Glycol May Damage Material Leakage on Initial Start-Up

17. 4:20 Interface or BMS Swing Access Door Fault output contacts Operations Control

18. Digital Text Display Tekmar Comtrol RM7895C Honeywell

19. Symmetric air/fuel coupling Auto altitude correction Rapid response Stable input within 3 seconds 3 to 1 continuous turndown @ constant CO2 Air/Fuel Coupled

20. Air/Fuel Coupling gasvalve gas P G = P A PAPAPAPA PGPGPGPG air

21. Combustion Control 4-20 ma input interface Text display Proven Honeywell 7895C combustion control Tekmar enabled

22. Gas Control Natural gas or propane Field convertible Full input with 2” W.C. Operation @ 1.5” W.C.

23. Venting Low noise blower Direct vented boiler 4-10” stainless steel single wall venting 40 or 60 foot equivalent vent runs

24. Venting Futera III Separated combustion Category II or IV 320° F stack temperature Use AL29-4C vent Pipe

25. Venting Futera III Differential pressure zones ok Combustion holds steady up to -.17 inches w.c. Boilers hold idle at low fire until stack is primed

26. Blocked Flue 020406080100 BLOCKED FLUE, %109.598.587.57 CO2, % 302520151050 AFCO, PPM

27. Blocked Inlet 302520151050 AFCO, PPM 020406080100 BLOCKED FLUE, %109.598.587.57 CO2, %

28. Futera III - Noise Level 67 62 57 52 dBa 123 TURNDOWN background

29. Calibration Board 3-Position Toggle Switch Run Mode: Operating Position Hold: Low Fire Hold Calibrate: Set High & Low Fan Speed – Not Recommended In Field – Factory Set

30. Digital Text Display All Faults Listed Operating Status Sequence of Operation Modulation %

31. Control Panel RM7895 Only – No 24v Option Terminal Block Pump Contact 4:20 Signal Terminal Enable / Disable Fault Output

32. Hi Limit Transformer RM7895 Control Center Pump Contactor Term Strip

33. VFD VS Blower UV Scanner Spark Generator

34. Manual Potentiometer Start-Up Tool Test Modulation Range Hold Fire at Multiple Settings

35. Orifice Plate Quick Nat to LP Conversion The Only Gas Orifice for Main Train

36. Gas Pressure Setting Low- Fire Only Match CO2 at High Fire One Tool Required 8/32 Allen The Only Field Adjustment (Gas Side)

37. Thank You For Your Time !!