INCH-POUND
MIL-PRF-22594B(SH)
6 December 2004
SUPERSEDING
MIL-H-22594A(SH)
15 April 1977
PERFORMANCE SPECIFICATION
HEATERS, DUCT T
YPE, ELECTRIC
Th
is specification is approved for use by the Department of the Navy and is available for use by all
Departments and Agencies of the Department of Defense.
1. SCOPE
1.1 Scope
. This specification covers electric, duct type heaters used in heating, ventilating, and air
conditioning systems.
1.2 Classification
. Electric, duct type heaters are of the following types and sizes as specified in Table I (see
6.2).
1.2.1 Sizes
. The sizes of electric, duct type heaters are as follows:
19EH - 3¼- x 6
-inch housing 29EH - 12¼- x 30-inch housing
20EH - 3¼- x 6
-inch housing 30EH - 15¼- x 30-inch housing
21EH - 3¼- x 6
-inch housing 31EH - 12¼- x 30-inch housing
22EH - 3¼- x 9
-inch housing 32EH - 18¼- x 30-inch housing
23EH - 3¼- x 1
4-inch housing 33EH - 16¼- x 42-inch housing
24EH - 6¼- x 9
-inch housing 34EH - 15¼- x 56-inch housing
25EH - 6¼- x 1
4-inch housing 35EH - 24¼- x 42-inch housing
26EH - 6¼- x 2
2-inch housing 36EH - 21¼- x 56-inch housing
27EH - 9¼- x 2
2-inch housing 37EH - 36¼- x 42-inch housing
28EH - 9¼- x 3
0-inch housing 38EH - 33¼- x 56-inch housing
1.2.2 Types
. The types of electric, duct type heaters are as follows:
Type L - Low Heat Output
Type M - Me
dium Heat
Output
Type H - High Heat Ou
tput
Comments, suggestions, or questions on this document should be addressed to: Commander, Naval Sea Systems
Command, ATTN: SEA 05Q, 1333 Isaac Hull Avenue, SE, St
op 5160, Washington Navy Yard DC 20376-5160 or
emailed to commandstandards@navsea navy mil
, with the subject line “Document Comment”. Since contact
information can change, you may want to verify the currency of this address information using the ASSIST Online
database at http://assist.daps.dla mil
.
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