Specifications
18
SERIES 8H RATINGS* Natural and LP Gas
*Ratings shown are for installations at sea level and elevations up to 2,000 feet. For elevations above 2,000 feet, ratings should be reduced at the rate of four percent (4%) for each 1,000 feet
above sea level.
1. When ordering, use prefix P for packaged and K for knocked-down. Use suffix NSP for natural gas, standing pilot; NEI for natural gas,
electronic ignition; PSP for LP gas, standing pilot; PEI for LP gas, electronic ignition.
2. Net I=B=R ratings shown are based on normal I=B=R piping and pickup allowance of 1.15. Consult the Burnham Commercial for installations
having unusual piping and pickup requirements such as intermittent system of operation, extensive piping systems, etc.
3. 15 foot height is measured from top of drafthood to top of chimney.
4. The 805 is a DOE heating capacity and AFUE efficiency. Furnished with electronic ignition and vent damper.
Maximum allowable working pressure: 50 PSI Water only.; 50 PSI Safety Relief Valve - Standard; 30 PSI Safety Relief Valve - Optional
Cast Iron Section Assembly
Deluxe Jacket with 3 inch Insulation
100% Shut-off Gas Controls
Boiler Drain Valve
50VA Transformer and Junction Box
Blocked Vent Switch (BVS) - All Sizes
Flame Roll-Out Switch (FRS) - All Sizes
L4080D High Limit Control
750P-MT-120 Probe LWCO - 808H-810H only
High Limit Control with Manual Reset - L4006E (in addition to L4080)
- Packaged Boilers Only
Standard Equipment
Packaged units are shipped packaged and wired in a reinforced cardboard container, for added protection. Drafthood, trim carton, low water cut-off and damper; when supplied,
are shipped in separate cartons. Knocked-down units are shipped in a stackable container with sections assembled and mounted on the base with manifold and burners installed.
Controls, trim, drafthood, and jacket are shipped together in the same container as the boiler.
30 PSI Safety Relief Valve
Electronic Ignition on 806H and 807H
(standard on 805H, 808H thru 810H)
Intermittent Circulation (24V)
Electronic Control Sets to meet CSD-1
Vent Damper — 806H thru 810H (standard on 805H),
available on standing pilot and electronic ignition models only
- not available with Electronic Control Sets
Combustible Floor Shield
Optional Equipment
NOTE: NOT FOR DIRECT INSTALLATION ON COMBUSTIBLE FLOORING. A HEAT SHIELD IS REQUIRED AND AVAILABLE FOR COMBUSTIBLE FLOOR INSTALLATION AND CONCRETE
INSTALLATION WHICH IS OVER A MATERIAL THAT IS SUBJECT TO MELTING (PVC, PEX RADIANT TUBING ETC.). NOT FOR INSTALLATIONS ON CARPET, EVEN WITH A COMBUSTIBLE
FLOOR SHIELD.
Dimensions and Specifications
BOILER
MODEL (1)
RATINGS
I=B=R
NET RATING
WATER
(MBH) (2) EFFICIENCY
MINIMUM NATURAL
GAS PRESSURE (Inches)
MINIMUM
RECOMMENDED
CHIMNEY SIZE ROUND
DIA. (In.) X HT. (Ft.) (3)
WATER
CONTENT
(Gal.)
APPROX.
SHIPPING
WEIGHT (Lbs.)
INPUT
(MBH)
GROSS OUTPUT
(MBH) 24V EI
805H
806H
807H
808H
809H
810H
252
315
374
433
491
550
210 (4)
262
311
360
409
459
183
228
270
313
356
399
83.2 (4)
83.1
83.2
83.3
83.4
83.4
N/A
4.5
5.0
N/A
N/A
N/A
4.5
4.5
4.5
4.5
5.0
5.0
7 X 15
8 X 15
9 X 15
9 X 15
10 X 15
10 X 15
11.9
13.9
15.9
17.9
19.9
21.9
600
690
781
871
962
1052
Boiler
Model 'A' 'B' 'C'
'D' 'E'
USA Canada USA Canada
805H
806H
807H
808H
809H
810H
20
23-3/4
27-1/2
31-1/4
35
38-3/4
10
11-7/8
13-3/4
15-5/8
17-1/2
19-3/8
7
8
9
9
10
10
24-3/4
27-3/4
28-3/4
30-3/4
33-1/2
33-1/2
24-3/4
25-3/4
25-3/4
26-5/8
26-3/8
26-3/8
16-1/8
18
18
20
22
22
16-1/8
16
16
16
15
15
All dimensions are in inches
Burnham Commercial - Lancaster, PA
Phone: 1-877-567-4328
www.burnhamcommercial.com
Aluminized Steel Burners
1” Gas Connection
2” Supply and Return Connections
50 PSI Safety Relief Valve
Stainless Steel Flue Baffles
Electronic Ignition on 805H, 808H-
810H for Natural or LP Gas
24V Standing Pilot on 806H, 807H
for Natural or LP Gas
Pressure Temperature Gauge










