EF-SF Units | Heatco

90+ Condensing Furnace with 30-100°F Temp Rise

Product Specification Product Manual Submittal / Order Information

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Model Number	PDF	Max Input MBH	Max Output MBH	Airflow	Exhaust Discharge	Burner Model #	Burner Turndown	Burner Min BTU	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Max CFM Rise	Max APD @ Min Rise	Max Temp Rise	Min CFM Rise	Min APD @ Max Rise
EF250-SF	PDF	275	248	Left to Right	Out	V1	20 to 1	36000	49.14	42.14	51.94	22.5	937	7639	0.23	100	2292	0.02
EF250-SF	PDF	275	248	Right to Left	Out	V1	20 to 1	36000	49.14	42.14	51.94	22.5	937	7639	0.21	100	2292	0.02
EF400-SF	PDF	450	405	Right to Left	Out	V1	20 to 1	36000	49.14	47.14	57.94	22.5	1147	12500	0.61	100	3750	0.06
EF400-SF	PDF	450	405	Left to Right	Out	V1	20 to 1	36000	49.14	47.14	57.94	22.5	1147	12500	0.64	100	3750	0.06
EF550-SF	PDF	600	540	Right to Left	Out	V2	20 to 1	48000	50.64	56.14	57.94	28	1639	16667	1.43	100	5000	0.13
EF550-SF	PDF	600	540	Left to Right	Out	V2	20 to 1	48000	50.64	56.14	57.94	28	1639	16667	1.62	100	5000	0.15
EF750-SF	PDF	835	752	Left to Right	Out	V2	20 to 1	48000	63.14	58.14	65.94	30	2084	23148	2.53	100	6944	0.23
EF750-SF	PDF	835	752	Right to Left	Out	V2	20 to 1	48000	63.14	58.14	65.94	30	2084	23148	2.32	100	6944	0.21
EF900-SF	PDF	1000	900	Left to Right	Out	V2	20 to 1	48000	63.14	65.14	71.94	30	2483	27778	3.24	100	8333	0.29
EF900-SF	PDF	1000	900	Right to Left	Out	V2	20 to 1	48000	63.14	65.14	71.94	30	2483	27778	2.84	100	8333	0.25
EF1000-SF	PDF	1120	1008	Right to Left	Out	V4	20 to 1	84000	63.14	65.14	71.94	30	2503	31111	3.44	100	9333	0.31
EF1000-SF	PDF	1120	1008	Left to Right	Out	V4	20 to 1	84000	63.14	65.14	71.94	30	2503	31111	3.93	100	9333	0.35
EF1250-SF	PDF	1400	1260	Left to Right	Out	V4	20 to 1	84000	63.14	72.14	77.94	32	3007	38889	5.64	100	11667	0.5
EF1250-SF	PDF	1400	1260	Right to Left	Out	V4	20 to 1	84000	63.14	72.14	77.94	32	3007	38889	5.01	100	11667	0.44
EF1500-SF	PDF	1650	1485	Right to Left	Out	V4	20 to 1	84000	63.14	75.64	89.94	32	3369	45833	5.6	100	13750	0.49
EF1500-SF	PDF	1650	1485	Left to Right	Out	V4	20 to 1	84000	63.14	75.64	89.94	32	3369	45833	6.21	100	13750	0.55
EF1750-SF	PDF	1950	1755	Right to Left	Out	V6	25 to 1	84000	68.45	75.64	112.94	32	N/a	54167	4.42	100	16250	0.4
EF1750-SF	PDF	1950	1755	Left to Right	Out	V6	25 to 1	84000	68.45	75.64	112.94	32	N/a	54167	5.86	100	16250	0.52
EF2000-SF	PDF	2250	2025	Right to Left	Out	V6	25 to 1	84000	68.45	75.64	112.94	32	N/a	62500	5.93	100	18750	0.53
EF2000-SF	PDF	2250	2025	Left to Right	Out	V6	25 to 1	84000	68.45	75.64	112.94	32	N/a	62500	7.84	100	18750	0.7