Standard Tubular Duct Heater Specifications

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Duct Heater Cut out

On Duct Heaters having more than 54 heating elements, the mounting flange thickness will be increased from 1/4 to 3/8 of an inch thick.

Dimensions Reference Number	"A"		"B"		"C"		"D"		"E"		"F"		"G"		Number of Elements	Approximate Net Weight
Dimensions Reference Number	in	mm	in	mm	in	mm	in	mm	in	mm	in	mm	in	mm	Number of Elements	lbs	kgs
1	27-7/8	708	20	508	2-3/4	70	6-1/2	165	3	76	3-5/8	92	2-1/2	64	6	22	10
2	27-7/8	708	20	508	4-3/4	121	8-1/2	216	5	127	5-5/8	143	3-1/2	89	12	31	14
3	27-7/8	708	20	508	6-3/4	171	10-1/2	267	7	178	7-5/8	194	3	76	18	41	19
4	27-7/8	708	20	508	8-3/4	222	12-1/2	318	9	229	9-5/8	244	2-3/4	70	24	51	23
5	27-7/8	708	20	508	10-3/4	273	14-1/2	368	11	279	11-5/8	295	3-1/4	83	30	62	28
6	27-7/8	708	20	508	12-3/4	324	16-1/2	419	13	330	13-5/8	346	3-3/4	95	36	73	33
7	27-7/8	708	20	508	14-3/4	375	18-1/2	470	15	381	15-5/8	397	4-1/4	108	42	84	38
8	27-7/8	708	20	508	16-3/4	425	20-1/2	521	17	432	17-5/8	448	4-3/4	121	48	95	43
9	27-7/8	708	20	508	18-3/4	476	22-1/2	572	19	483	19-5/8	498	5-1/4	133	54	106	48
10	27-7/8	708	20	508	20-3/4	527	24-1/2	622	21	533	21-5/8	549	5-3/4	146	60	117	53
11	32-7/8	835	25	635	20-3/4	527	24-1/2	622	21	533	21-5/8	549	5-3/4	146	60	130	59
12	40-3/8	1026	32-1/2	826	20-3/4	527	24-1/2	622	21	533	21-5/8	549	5-3/4	146	60	155	70
13	49-3/8	1254	41-1/2	1054	20-3/4	527	24-1/2	622	21	533	21-5/8	549	5-3/4	146	60	180	82

Finned Tubular Duct Heater Specifications

Finned Tubular Duct Heater Cut Out

On Duct Heaters having more than 27 heating elements, the mounting flange thickness will be increased from 1/4 to 3/8 of an inch thick.

Dimensions Reference Number	"A"		"B"		"C"		"D"		"E"		"F"		"G"		Number of Elements	Approximate Net Weight
Dimensions Reference Number	in	mm	in	mm	in	mm	in	mm	in	mm	in	mm	in	mm	Number of Elements	lbs	kgs
1	25-3/8	645	20	508	3-3/4	95	7	177.8	4	102	4-1/4	108	2-3/4	70	3	22	10
2	25-3/8	645	20	508	6-1/4	159	9-1/2	241	6.5	165	6-3/4	171	4	102	6	31	14
3	25-3/8	645	20	508	8-3/4	222	12	305	9	229	9-1/4	235	3-1/2	89	9	41	19
4	25-3/8	645	20	508	11-3/4	298	14-1/2	368	12	305	11-3/4	298	3-1/4	83	12	51	23
5	25-3/8	645	20	508	13-3/4	349	17	432	14	356	14-1/4	362	3-7/8	98	15	62	28
6	25-3/8	645	20	508	16-1/4	413	19-1/2	495	16.5	419	16-3/4	425	4-1/2	114	18	73	33
7	25-3/8	645	20	508	18-3/4	476	22	559	19	483	19-1/4	489	4-1/8	105	21	84	38
8	25-3/8	645	20	508	21-3/4	552	24-1/2	622	22	559	21-3/4	552	4-5/8	117	24	95	43
9	25-3/8	645	20	508	23-3/4	603	27	686	24	610	24-1/4	616	5-1/8	130	27	106	48
10	25-3/8	645	20	508	26-3/4	679	29-1/2	749	27	686	26-3/4	679	5-5/8	143	30	117	53
11	30-1/4	768	24-7/8	632	26-3/4	679	29-1/2	749	27	686	26-3/4	679	5-5/8	143	30	130	59
12	37-1/4	946	31-7/8	810	26-3/4	679	29-1/2	749	27	686	26-3/4	679	5-5/8	143	30	155	70
13	45	1143	39-5/8	1006	26-3/4	679	29-1/2	749	27	686	26-3/4	679	5-5/8	143	30	180	82