Welcome to Detroit Radiant Products Parts Reference Guide!  

GRAINGER LOW INTENSITY MODEL
PARTS REFERENCE CHARTS
• Listed by Series •

How to use this guide:
To view a list of replacement parts for your heater, select the series that corresponds to your heater by clicking on the WWG Model Link on the chart below.

Serial Number Identification Codes   (to assist in the identification of manufacturing dates)    

GRAINGER MODEL CROSS REFERENCE
WWG Model		DRP X-Ref	BTU/H	Approx. Period of Production	Burner Box SKU#	Tube & Refl. Packages
	3E488	DTH 20-50N	50,000	1986 -1989	-	-
	3E489	DTH 20-50P	50,000	1986 -1989	-	-
	3E490	DTH 20-75N	75,000	1986 -1989	-	-
	3E491	DTH 20-75P	75,000	1986 -1989	-	-
	3E488A	DTH 20-50 N-2	50,000	1989 -1995	-	-
	3E489A	DTH 20-50 P-2	50,000	1989 -1995	-	-
	3E490A	DTH 20-75 N-2	75,000	1989 -1995	-	-
	3E491A	DTH 20-75 P-2	75,000	1989 -1995	-	-
	3E606	DTH 40-100 N-2	100,000	1989 -1995	-	-
	3E607	DTH 40-100 P-2	100,000	1989 -1995	-	-
	7A316	DTHS 20-75 N-2	75,000	1995 - 2000	3F821	3F819
	7A317	DTHS 20-75 P-2	75,000	1995 - 2000	3F825	3F823
	7A318	DTHS 40-100 N-2	100,000	1995 - 2000	3F829	3F827
	7A319	DTHS 40-100 P-2	100,000	1995 - 2000	3F833	3F831
	7A511	DTHS 30-100 N-2	100,000	1995 - 2000	3VH39	3VH38
	7A512	DTHS 30-100 P-2	100,000	1995 - 2000	3VH41	3VH40
	7A513	DTHS 40-125 N-3	125,000	1995 - 2000	3VH43	3VH42
	7A514	DTHS 40-125 P-3	125,000	1995 - 2000	3VH45	3VH44
	7A517	DTHS 60-125 N-3	125,000	1995 - 2000	3VH51	3VH50 & 3VH52
	7A518	DTHS 60-125 P-3	125,000	1995 - 2000	3VH54	3VH53 & 3VH55
	7A515	DTHS 40-150 N-3	150,000	1995 - 2000	3VH47	3VH46
	7A516	DTHS 40-150 P-3	150,000	1995 - 2000	3VH49	3VH48
	7A519	DTHS 60-150 N-3	150,000	1995 - 2000	3VH57	3VH56 & 3VH58
	7A520	DTHS 60-150 P-3	150,000	1995 - 2000	3VH60	3VH59& 3VH61
	7A509	DBS 10-25 N	25,000	1996 - 2001	3VH31	3VH30
	7A510	DBS 10-25 P	25,000	1996 - 2001	3VH33	3VH32
	7D835	DBS 20-40 N	40,000	2000 - 2001	5VD55	5VD92
	7D836	DBS 20-40 P	40,000	2000 - 2001	5VD56	5VD92
	7D837	DX2 20-50 N	50,000	2000 - 2006	5VD67	5VD88
	7D838	DX2 20-50 P	50,000	2000 - 2006	5VD68	5VD88
	7D839	DX2 20-75 N	75,000	2000 - 2006	5VD69	5VD88
	7D840	DX2 20-75 P	75,000	2000 - 2006	5VD70	5VD88
	7D841	DX2 30-100 N	100,000	2000 - 2006	5VD71	5VD89
	7D842	DX2 30-100 P	100,000	2000 - 2006	5VD72	5VD89
	7D843	DX2 40-100 N	100,000	2000 - 2006	5VD73	5VD91
	7D844	DX2 40-100 P	100,000	2000 - 2006	5VD74	5VD91
	7D845	DX2 40-125 N	125,000	2000 - 2006	5VD75	5VD91
	7D846	DX2 40-125 P	125,000	2000 - 2006	5VD76	5VD91
	7D847	DX2 40-150 N	150,000	2000 - 2006	5VD77	5VD90
	7D848	DX2 40-150 P	150,000	2000 - 2006	5VD78	5VD90
	7D849	DX2 60-150 N	150,000	2000 - 2006	5VD79	5VD90 & 5VD88
	7D851	DX2 60 -150 P	150,000	2000 - 2006	5VD80	5VD90 & 5VD88
	7D837A	DX2 20-50 N	50,000	2006 - Present	5VD67A	5VD88
	7D838A	DX2 20-50 P	50,000	2006 - Present	5VD68A	5VD88
	7D839A	DX2 20-75 N	75,000	2006 - Present	5VD69A	5VD88
	7D840A	DX2 20-75 P	75,000	2006 - Present	5VD70A	5VD88
	7D841A	DX2 30-100 N	100,000	2006 - Present	5VD71A	5VD89
	7D842A	DX2 30-100 P	100,000	2006 - Present	5VD72A	5VD89
	7D843A	DX2 40-100 N	100,000	2006 - Present	5VD73A	5VD91
	7D844A	DX2 40-100 P	100,000	2006 - Present	5VD74A	5VD91
	7D845A	DX2 40-125 N	125,000	2006 - Present	5VD75A	5VD91
	7D846A	DX2 40-125 P	125,000	2006 - Present	5VD76A	5VD91
	7D847A	DX2 40-150 N	150,000	2006 - Present	5VD77A	5VD90
	7D848A	DX2 40-150 P	150,000	2006 - Present	5VD78A	5VD90
	7D849A	DX2 60-150 N	150,000	2006 - Present	5VD79A	5VD90 & 5VD88
	7D851A	DX2 60 -150 P	150,000	2006 - Present	5VD80A	5VD90 & 5VD88
	7E256	LS 10-25 N	25,000	2001 - Present	5KH05	5MX61
	7E257	LS 10-25 P	25,000	2001 - Present	5KH06	5MX61
	7E258	LS 20-40 N	40,000	2001 - Present	5KH35	5MX62
	7E259	LS 20-40 P	40,000	2001 - Present	5MM39	5MX62