MTH Pumps - 140-180 Series Pumps

Boiler HP	Evap. Rate GPM	Pump GPM	BOILER PRESSURE IN PSI
			15		50		100		125		150		200		250
			Model	HP	Model	HP	Model	HP	Model	HP	Model	HP	Model	HP	Model	HP
15	1	3.1	141D	0.3	141D	0.75	142E	1	142E	1.5	142F	1.5	143E	2	144E	3
20	1.4	4.1	141D	0.3	141D	0.75	142E	1	142E	1.5	142F	1.5	143E	2	144E	3
25	1.7	4.4	141D	0.3	141D	0.75	142E	1	142E	1.5	143E	1.5	143E	2	144E	3
30	2.1	5	141D	0.3	141D	0.75	142E	1	142E	1.5	143E	1.5	143E	2	144E	3
40	2.8	5.6	141D	0.3	141E	0.75	142F	1.5	142G	2	143E	1.5	144F	3	144I	7.5
50	3.5	7	141D	0.3	141F	0.75	142F	1.5	143F	2	143F	2	144I	5	144I	7.5
60	4.2	8.3	141E	0.3	141F	0.75	142G	2	143G	2	143G	5	144I	5	144I	7.5
70	4.8	9.6	141F	0.5	141I	1.5	142I	3	143I	3	143I	5	144I	5	144I	7.5
80	5.5	11	141F	0.5	141I	1.5	142I	3	143I	3	143I	5	144I	5	144I	7.5
100	6.9	14	141G	0.5	141I	1.5	142IA	3	143I	3	143IA	5	144I	5	152I	10
125	8.6	17.5	141I	0.75	141IA	1.5	142IA	3	143I	3	143IA	5	144IA	7.5	152I	10
150	10.7	21	141I	0.75	141IA	1.5	151I	5	143IA	5	144IA	5	152I	7.5	153I	10
200	13.8	28	141IA	1	182K	2	151K	5	152I	5	162D	7.5	162D	10	163D	15
250	17.3	33	181M	1.5	151K	3	152K	5	152K	7.5	162D	7.5	162G	10	153L	15
300	20.7	38	181M	1.5	151K	3	152K	5	152K	7.5	152L	10	162G	15	153L	15
350	24.2	43	181P	1.5	151L	5	152L	7.5	152L	10	152L	10	162G	15	153L	15
400	27.6	48	181R	2	151L	5	162L	7.5	152L	10	162G	15	162G	15	163G	20
500	34.5	57	151L	3	161G	5	162G	10	162G	10	163G	15	164G	20	173H	25
600	41.5	71	161G	3	161G	5	172H	15	172H	15	172J	20	173H	20	173K	30
700	43.5	77	161G	3	171K	7.5	172K	15	172K	15	173K	20	174H	20	174J	30
NOTES Selections are for water at 200°F (Maximum) with above 3 feet NPSHA (Net Positive Suction Head Available) over NPSHR (Net Positive Suction Head Required). All pumps are selected for intermittent (on-off) operation and with ODP (Open Drip Proof) motors operating at 1750RPM. This selection is for reference only. Refer to the technical data of the specific model number to ascertain the suitability of the model in your application, or call the factory. 140 Model pump information is available in our Bulletin 140.

Click here to return to the 140 • 180 Product Information Page.

Download a printable version of the 140 • 180 Performance Curves in .pdf format.

If you do not have the Adobe Acrobat Reader, click here to download the most recent version from Adobe.