Sears N9MP1050B12B1 Natural, Pressure, For the 50,000, 75,000, 100,000 and 125,000 Btuh Models

MANIFOLDPRESSUREAND ORIFICE SIZE FOR HIGHALTITUDEAPPLICATIONS

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	NATURAL		GAS MANIFOLD		PRESSURE		(" w.c.)
..............................................................	FOR THE 50,000, 75,000, 100,000 and 125,000 BTUH MODELS
HEATING					MEAN	ELEVATION FEET ABOVE SEA LEVEL
	0 to		2001 to		3001	to	4001 to		5001 to		6001 to		7001 to
VALUE
	2000		3000		4000			5000		6000	7000		8000
at ALTITUDE
BTU/CU. FT,	Orifice	Manifold	Orifice	Manifold	Orifice	Manifold	Orifice Manifold Orifice Manifold Orifice					Manifold	Orifice	Manifold
	No.	Pressure No.		Pressure No.		Pressure	No.	Pressure	No.	Pressure	No.	Pressure No.		Pressure
700													41	3.7
725											41	3.7	41	3.4
750											41	3.5	42	3.6
775									41	3.6	42	3.6	42	3.3
800							41	3.6	42	3,7	42	3,4	42	3.1
825					41	3.7	41	3.4	42	3.5	42	3.2	42	2.9
850					41	3.5	42	3.6	42	3,3	42	3,0	42	2.8
875			41	3.6	42	3.6	42	3.4	42	3.1	42	2.8	42	2.6
900			42	3,7	42	3,4	42	3.2	42	2.9	42	2,7	42	2.5
925	41	3.7	42	3,5	42	3,3	42	3.0	42	2,8	42	2,5	42	2.3
950	41	3.5	42	3.3	42	3.1	42	2.9	42	2,6	42	2.4	43	2.7
975	42	3.7	42	3,2	42	2,9	42	2.7	42	2,5	42	2,3	43	2.6
1000	42	3.5	42	3.0	42	2.8	42	2.6	42	2.4	43	2.7	43	2.4
1050	42	3.2	42	2.7	42	2,5	42	2.3	43	2.6
1100	42	2.9	42	2.5	42	2.3	43	2.6

NOTE: Natural gas data is based on 0.60 specific gravity. For fuels with different specific gravity consult the National Fuel Gas Code ANSI Z223.1-2002/NFPA 54-2002 or National Standard of Canada, Natural Gas And Propane Installation Code CSA B149.1-00.

Ta_i		CPG or PROPANE		GAS MANIFOLD PRESSURE (" w.c.)
................................................................................................................		FOR THE 50,000, 75,000, 100,000 and 125,000 BTUH MODELS
HEATING	VALUE				MEAN ELEVATION	FEET ABOVE	SEA LEVEL
at ALTITUDE		0 to	2001	to	3001 to	4001 to	5001 to	6001 to	7001 to
BTU/CU,	FT.	2000	3000		4000	5000	6000	7000	8000
2500		10.0	10.0		9.0	10.0	9.4	8.5	10.0
Orifice	Size	#54	#54		#54	#55	#55	#55

NOTE: Propane data is based on 1.53 specific gravity. For fuels with different specific gravity consult the National Fuel Gas Code ANSI Z223.1-2002/N FPA 54-2002 or National Standard Of Canada, Natural Gas And Propane Installation Code CSA B149.1-00.

	NATURAL		GAS MANIFOLD		PRESSURE		(" w.c.)
..............................................................	FOR THE 80,000 BTUH MODELS
HEATING					MEAN	ELEVATION FEET ABOVE SEA LEVEL
	0 to		2001 to		3001	to	4001 to		5001 to		6001 to		7001 to
VALUE
	2000		3000		4000			5000		6000	7000		8000
at ALTITUDE
BTU/CU. FT.	Orifice	Manifold	Orifice	Manifold	Orifice	Manifold	Orifice Manifold Orifice Manifold Orifice					Manifold	Orifice	Manifold
	No.	Pressure No.		Pressure No.		Pressure	No.	Pressure	No.	Pressure	No.	Pressure No.		Pressure
700													44	3.7
725											44	3.7	44	3.4
750											44	3,5	44	3.2
775									44	3.5	44	3.2	44	3.0
800							44	3.6	44	3.3	44	3.0	44	2.8
825					44	3,7	44	3.4	44	3,1	44	2,9	44	2.6
850					44	3.5	44	3.2	44	2,9	44	2.7	44	2.5
875			44	3,5	44	3,3	44	3.0	44	2.8	44	2,5	44	2.3
900			44	3.3	44	3.1	44	2.8	44	2.6	44	2.4	45	2.7
925	44	3.7	44	3,2	44	2,9	44	2.7	44	2.5	44	2,3	45	2.5
950	44	3.5	44	3,0	44	2,8	44	2.6	44	2,4	45	2.6	45	2.4
975	44	3.3	44	2,8	44	2.6	44	2.4	45	2.7	45	2.5	45	2.3
1000	44	3.2	44	2,7	44	2,5	44	2.3	45	2.6	45	2.4	46	2.3
1050	44	2.9	44	2.5	44	2.3	45	2.5	45	2.3
1100	44	2.6	45	2.7	45	2.5	45	2.3

NOTE: Natural gas data is based on 0.60 specific gravity. For fuels with different specific gravity consult the National Fuel Gas Code ANSI Z223.1-2002/NFPA 54-2002 or National Standard of Canada, Natural Gas And Propane Installation Code CSA B149.1-00.

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