Pentair 472645 User Manual Page 1

Pentair Commercial Pool HeatersOrderingP/N 472645MegaTherm™ MT — 500-5000 MBTU/hPowerMax™ PM — 500-2000 MBTU/h

2Using “Genuine Pentair” parts will ensure accurate replacement and warranty coverage.Installation and Operation Manuals for current products are avai

3Part No. Description Model SizePart No. Description Model SizeMegaTherm Model MTMegaTherm Model MTMegaTherm Model MTMegaTherm Model MTMegaTherm Model

4Part No. Description Model Size Part No. Description Model SizeMegaTherm AP, Sizes 500,000-1,825,000MegaTherm AP, Sizes 500,000-1,825,000MegaTherm AP

510667706 Baffle, HX (8 tube outdoor)(28 req) ...both .. 1200...10667707 Baffle, HX (8 tube

6Part No. Description Model Size Part No. Description Model SizeMegaTherm AP, Sizes 500,000-1,825,000MegaTherm AP, Sizes 500,000-1,825,000MegaTherm AP

7Part No. Description SizePart No. Description SizeMegaTherm Model MTMegaTherm Model MTMegaTherm Model MTMegaTherm Model MTMegaTherm Model MTSizes 2,0

8MegaTherm MT, Sizes 2,000,000-5,000,000MegaTherm MT, Sizes 2,000,000-5,000,000MegaTherm MT, Sizes 2,000,000-5,000,000MegaTherm MT, Sizes 2,000,000-5,

9T2007000 Tile (9.25") ... 3600,4050,... 4000,4500I...

1010417400 Flange, 4" cast iron (2 req)... all ...10416100 Return Header (double pass)... all ..

1120013801 Draft Hood Relief Baffle, Right...20013802 Draft Hood Relief Baffle, Right...

2© 2006 Pentair Water Pool and Spa, Inc. All rights reservedThis document is subject to change without notice1620 Hawkins Ave., Sanford, NC 27330 • (9

1220069400 Baffle Center Strap... 3200/5000...20015101 Flue End Assy, Left ... all ...

13NATURAL PROPANE NATURAL PROPANE NATURAL PROPANE0 - 2000 L0050700 L2002200 L2011300 L2006400 L2002600A#44 #20 #35 #24 #37L2001 - 3000 L0032900 L20061

14TTTTTile Assemblies - MTile Assemblies - MTile Assemblies - MTile Assemblies - MTile Assemblies - MT(AP After April 1999)Sizes 500,000 - 1,825,000 (

15TTTTTile Assemblies - MTile Assemblies - MTile Assemblies - MTile Assemblies - MTile Assemblies - MT(AP Units Before April 1999)Sizes 500,000 - 1,82

16Tile Assemblies - MTSizes 2,000,000 - 5,000,000 (Pyro Tile)I=Indoor, E=Outdoor

17Part No. Description SizePart No. Description SizePowerMax PMPowerMax PMPowerMax PMPowerMax PMPowerMax PMSizes 500,000 - 2,000,000 BTU/hCOMBUSTION C

18ELECTRICAL COMPONENTSE2105500 Diagnostic Board ... 500-2000...R2027700 Relay, 10A, for Diagnostic Bo

19PowerMax PMPowerMax PMPowerMax PMPowerMax PMPowerMax PMPart No. Description Size5C3002 Plate, Cover, Filter... 500-1000...

© 2006 Pentair Water Pool and Spa, Inc. All rights reservedThis document is subject to change without notice1620 Hawkins Ave., Sanford, NC 27330 • (91

3MegaTherm MTStandard Features 500-5000... 4Model Nomenclature ... 4Code Opt

4Standard Features MegaTherm MT (500-5000)MODELMT-POOLREVISIONP- PUMP500-1825A- 2000-5000HEAT EXCHANGERC-GLASS LINED/COPPERN-GLASS LINES/CU-NIK-BRONZE

5500-1825 2000-2450 2800-5000Ignition SystemsSystem 4 N/A N/A OSystem 9 S N/A N/ASystem 16 O O OSystem 18 N/A S SFiring ModeOn/Off S S SMotorized On/O

6• Automatic bypass• ASME 160 psi working pressure heatexchanger• ASME “H” stamp• Flanged water connections• Glass-lined cast iron headers• External h

7Standard Models - 4th Character CodeCode 500 750 1000 1250 1500 1750 2000Base model with std on/off control, std copper Ptube HX (requires heat excha

P/N 472645 Rev A - 05/22/06 Litho in U.S.A

Commercial Pool Heater PartsSizes 210,000 - 5,000,000 BTU/hP/N 472645Heater Name Model Sizes Doc. No.MegaTherm - Commercial Pool Heater MT 500-1825 47