Keystone KW 399 399

Keystone Boilers and Water Heaters
Page 9
Figure 8. Dimensional Drawing, Sizes 80-500.
Dimensions are nominal and are shown in inches, cm.
*
Keystone is shipped with adapters for the air and vent that accept
standard pipe of the proper size and type.
AB C D E F G J K MN
SIZE IN CM IN CM IN CM IN CM IN CM IN CM IN CM IN CM IN CM IN CM IN CM
199 KW 20½ 52 14 19 48 8 17¾ 45 19 14¼ 36 19½ 49 11¾ 30 15¼ 39 13 33
285 KW 20¼ 52 19 19¾ 50 16 11¼ 29 13½ 34 14 36 15 38 17 43 18¾ 48 13 33
399 KW 25 64 13 19¾ 50 11 14¾ 37 18½ 47 19¼ 49 16½ 42 21¾ 55 18¾ 48 13 33
500 KS 30¼ 77 13 19½ 50 11 15¼ 38 20 51 20½ 52 19 48 26 66 18¾ 48 13 33
500 KW 30¼ 77 13 19¾ 50 11 15¼ 38 20 51 20½ 52 19 48 26 66 18¾ 48 13 33
600 (both) 29¾ 76 5 13 19½ 50 11 15 38 20 51 3 8 19 48 26 66 18¾ 48 21
750 (both) 35½ 90 6 15 19½ 50 13 19 48 40½ 103 8 19 48 30¾ 78 18¾ 48 21
850
(both) 39¾ 101 6 15 19½ 50 13 19 48 44¾ 114 9 19 48 35 89 18¾ 48 21
W L H AIR INLET VENT
SIZE IN CM IN CM IN CM IN CM IN CM
199 25 64 26¾ 68 38¼ 97 3 7.6 3 7.6
285 25 64 26¾ 68 38¼ 97 11 11
399 25 64 31½ 80 38¼ 97 11 11
500 25 64 37¾ 96 38¼ 97 11 11
600 25 64 37¾ 96 38¼ 97 11 11
750 25 64 51 130 38¼ 97 11 17
850 25 64 55¼ 130 38¼ 97 11 17