BTU Gas Orifice Size Chart | Burner Orifice Size & Sizing Chart

MegaTherm Model MT

Gas Orifice Size Chart

Sizes 500,000 - 5,000,000 BTU/h

	MODEL & SIZE>				INDOOR/OUTDOOR		INDOOR		OUTDOOR
	MODEL & SIZE>				500-1825		2000-5000		2200-4500
					500-1825		2000-5000		2200-4500
		GAS>			NATURAL	PROPANE	NATURAL	PROPANE	NATURAL	PROPANE

				0 - 2000	L0050700		L2002200	L2011300	L2006400	L2002600
	A				#44		#20	#35	#24	#37

	L		2001 - 3000			L0032900	L2006100
						#54	#23	L2002500	L2006700	L2002700
	T							#36
			3001 - 4000		L0032600		L006400		#26	#38
	I				#45		#24

	T		4001 - 5000				L2006700	L002600	L2007000	L2002800
							#26	#37	#27	#38
	U
				5001 - 6000	L0050200		L2007000			L2008100
	D				#46	L0032800	#27	L2002700	L2007600	#40
								#38
	E			6001 - 7000	L0050300	#55	L2007300		#29	L2002900
					#47		#28			#41
	F
			7001 - 8000				L2007600	L2002800
	E						#29	#39	L2007900	L2005300

	E			8001 - 9000	L0050400				#30	#42
					#48	L0032700	L2007900	L2002900
	T					#56	#30	#41
				9001 - 10000					L2008000	L2005400
									#31	#43

NUMBER OF ORIFICES

Sizes	500 I/E	600 I/E	715 I/E	850 I/E	1010 I/E	1200 I/E	1430 I/E	1670 I/E	1825 I/E
Orifices	22	26	30	36	42	50	60	70	76

Size	2000 I	2450 I	3050 I	3500 I	4050 I	4500 I	5000 I
Size	2000 I	2200 E	2800 E	3200 E	3600 E	4000 E	4500 E
		2200 E	2800 E	3200 E	3600 E	4000 E	4500 E
Orifices	23	28	34	39	46	50	56

Note: Models 2000-5000 that were built in or before 1991 may have fewer burners/orifices than listed, and the factory must be consulted.

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Pentair 472645 manual Gas Orifice Size Chart, Sizes 500,000 5,000,000 BTU/h

Contents

Pentair Commercial Pool Heaters Ordering MegaTherm MT 500-5000 MBTU/h PowerMax PM 500-2000 MBTU/h 472645 Rev a 05/22/06 Trademarks and disclaimers Table of Contents Standard Features MegaTherm MT MegaTherm MT Features and Options Bronze trim Standard Features PowerMax PMKit for IRI Code option L for MN and LDS Part Numbers PowerMax PM 472645 Rev a 05/22/06 Litho in U.S.A Heater Name Model Sizes Doc. No Commercial Pool Heater Parts Return Under Warranty Parts Limited WarrantyOur Commitment Ordering Sizes 500,000 1,825,000 BTU/h MegaTherm Model MTGAS System Burner Trays Electrical Components Optional MegaTherm AP, Sizes 500,000-1,825,000Water System Indoor Boilers 8 Tubes Jacket and Combustion Chamber Components MegaTherm MT, Sizes 500,000-1,825,000Complete Tile Assemblies Outdoor Jacket Components Cross Reference for no Longer Available P/N’S Main GAS System Sizes 2,000,000 5,000,000 BTU/hPilot GAS System Combustion Chamber Components Base Combustion Chamber Components Tile MegaTherm MT, Sizes 2,000,000-5,000,000 3600,4050 T2007000T2007002 BR021301 Jacket Components Indoor Parts Outdoor Parts MegaTherm AP, Sizes 2,000,000-5,000,000 Cross Reference for no Longer Available P/NS Sizes 500,000 5,000,000 BTU/h Gas Orifice Size Chart AP After April Sizes 500,000 1,825,000 Cement Tile Tile Assemblies MT AP Units Before April Sizes 500,000 1,825,000 Pyro Tile Sizes 2,000,000 5,000,000 Pyro Tile Sizes 500,000 2,000,000 BTU/h PowerMax PMCombustion Chamber Components GAS Train / Combustion AIR Components Heat Exchanger / Water Path Components PowerMax PM 15C3002 5C30025C3502 5C3304 472645 Rev a 05/19/06