MODEL LENGTH BRU/h x 1000 GAS	RADIANT SURFACE AREA sq. ft.	OVERALL LENGTH in.	NET WEIGHT lb.	SHIP WEIGHT lb.
DX-20 (50, 60, 75, 100) N or P	21.6	261	90	110
DX-30 (50, 60, 75, 100, 125) N or P	31.8	381	115	140
DX-40 (50, 60, 75, 100, 125, 150, 175) N or P	41.9	501	140	175
DX-50 (100, 125, 150, 175, 200) N or P	51.6	621	165	210
DX-60 (125, 150, 175, 200) N or P	62.2	741	210	270
DX-70 (175, 200) N or P	72.4	861	235	330
DX-80 (200) N or P	82.6	981	260	390