Burnham 20_PV_I - Manual (Page 3)

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Figure 1: Elevation Views
NOTICE
USA boilers built for installation at altitudes greater than 2,000 feet above sea level have been
specially orificed to reduce gas input rate 4 percent per 1,000 feet above sea level per the National
Fuel Gas Code, NFPA 54/A NSI Z223.1, Section 8.1.2 and Appendix F. Canadian boilers’ orifice
sizing is indicated on the rating label. High altitude boiler models are identifiable by the second
digit in the model number suffix on the rating label:
20_PV_I-__2: Less than 2000 ft. elevation
20_PV_I-__4: 2000 ft. and higher elevation, C anada
20_PV_I-__5: 2000 ft. and higher elevation, USA
Boiler Model
Dimensions [in inches]
Water Content
[G allons]
Ap pro x. Sh ip pin g
Weig ht (lb. ) A B C D
203PV 20‰ 14‰ 10-1/16 15-5/8 3.2 265
204PV 23 17 11 15-5/8 4 309
205PV 27 21 13‰ 15… 4.7 357
206PV 30… 24… 15-1/8 15… 5.5 419