Catalog No.: 2000.461A
Effective: 07-21-10
Replaces: 9-15-07
Raypak, Inc.
2151 Eastman Avenue, Oxnard, CA 93030
(805) 278-5300
Fax (800) 872-9725
www.raypak.com
Delta Limited – Type H
Models 399B-899B
Model
SPECIFICATIONS
Approx.
MBTUH
A
G
H
K T W Amp. Shipping
Model Input Output Width NPT NPT
Draw* Wt.
(Lbs)
399B
399
335
43
¾
2 6 6
18-1/2
<
6
445
499B
500
420
50
1 ¼
2
6 6
22
< 6
545
649B
650
546
60 ½ 1 ¼
2
8 6 27-1/4
< 6
590
749B
750
630
67 ½ 1 ¼
2
8 6 30-3/4
< 6
675
899B
900
756
78
1 ¼
2
8 6
36
< 7
740
* Pump not included
Dimensions are in inches.
Rates shown are for natural or propane gas, and elevations up to 4,500 feet.
For installation above 4,500 feet, please contact manufacturer.
Recommended natural gas supply pressure is 7 – 10.5” WC. Recommended
propane gas supply pressure is 11 - 13” WC.
NOTE: Pump location varies
based on model selected
RATES OF FLOW AND PRESSURE DROPS
10°F
∆
T 20°F
∆
T
30°F
∆
T
Min. Flow
Max. Flow
Model GPM
∆
P (ft) GPM
∆
P (ft) GPM
∆
P (ft) GPM
∆
P (ft)
∆
T GPM
∆
P (ft)
∆
T
399B 68 5.4 34 1.5
22
<1
20
<1
34
90
10.0
7
499B 85 9.2 42 2.3 28 1.1 21 <1 40
90 10.5 9
649B
N/A N/A 55 4.0 36 1.8 28 1.1 40
90 10.7
12
749B
N/A N/A 64 5.5 42 2.5 32 1.6 40
90 11.0
14
899B
N/A N/A 76 8.5 51 3.8 38 2.2 40
90 11.8
16
Basis is 20 GPM or 40°F
∆
T for minimum flow, 90 GPM for maximum flow.