Notes:
1 Standard on on/off boilers (H4); Optional on all others
2 Standard on Models 302B and 402B; Optional on Models 502B-902B
3 Optional on Models 302B and 402B; Standard on Models 502B-902B
4 Standard on 992B; Optional on 1262B-2342B
5 Not available on Model 992B; Standard on Models 1262B-2342B
v v = Standard V V = Optional
Water Heaters (Type WH)
H D 1 0 1 - H D 4 0 1 3 0 2 B - 9 0 2 B 9 9 2 B - 2 3 4 2 B
Boilers (Type H)
HD101-HD401 302B-902B 992B-2342B
A S M E , National Board Registered, 160 PSI H Stamp v v v N/A N/A N/A
HLW Stamp N/A N/A N/A v v v
Heat Exchanger Tubes Copper v v v v v v
Cupro Nickel V V V V V V
Headers Bronze V V V v v v
Cast Iron v v v V V V
Pressure Relief Valve 3 0 , 4 5 , 75 & 150 PSI A va i l a b l e V V V V V V
60 & 125 v v v v v v
Temperature & Pressure Gauge v v v v v v
Pump – 120V, Single-Phase V V V V V V
120V Power Supply With 120V/24V Transformer v v v v v v
Pump Time Delay Single Phase v v v v v v
Diagnostic Display Central 16-Event Memory N/A v v N/A v v
Temperature Controller B-20: On/Off, Mechanical V V V V V V
B-28: On/Off, Digital V V V V V V
B-6: 2-Stage, Mechanical V V V V V V
B-26–B-27: 2-Stage, Digital V V V V V V
B-21–B-23: 4-Stage, Digital V V V V V V
B-24: 2-Stage, Raytemp (Digital) N/A V V N/A V V
B-25: 4-Stage, Raytemp (Digital) V V V V V V
Y-200 Series, Digital V V V V V V
Hot Surface Ignition System 3-try v v v v v v
1-try N/A V V N/A V V
High Gas Pressure Switch V V V V V V
Low Gas Pressure Switch V V v V V v
B l o c ked Vent and Air Pressure Switches v v v v v v
High Limit Switch Manual Reset, Fixed v N/A N/A v N/A N/A
Manual Reset, Adjustable V v v V v v
Automatic Reset, Adjustable V (1) V V V V
Low Water Cut-Off, 24V With manual reset and test button V V V V V V
Flow Switch v v v v v v
Firing Mode On/Off (H4, WH1) V (2) V v (2) V
2-Stage (H3, WH3) v (3) V V (3) V
3-Stage (H8, WH8) N/A N/A (4) N/A N/A (4)
4-Stage (H9, WH9) N/A N/A (5) N/A N/A (5)
4” WC Supply Pressure Natural Gas Only v V (6) v V (6)
TruSeal Direct Vent System v V V v V V
Air Filter, Room Air v v v v v v
Air Filter, Ducted Outside Air v V V v V V
Efficiency 84% (Category I) v v v N/A N/A N/A
(98% ava i l a b l e ; See Specialty Models) 85% (Category I) N/A N/A N/A v v v
(402B - 2002B only) 87% (Category II) N/A V V N/A N/A N/A
Combustible Floor Rated v v v v v v
Alarm System V V V V V V
Vent Terminal Outdoor and Through-the-Wall V V V V V V
Right-Hand Water Connections V V V V V V
CSD-1/GE GAP Control System N/A (7) V N/A (7) V
Low NOx Compliance Meets all current requirements v v (8) v v (8)
Cold Water Start Cold water protection systems N/A V V N/A V V
Cold Water Run Cold water protection systems V V V V V V
6 Option but not available on Model 2002B
7 Not applicable for Models 302B and 402B; Optional for Models 502B-902B
8 Standard on Models 992B-2002B; Models 2072B and 2342B
require site testing and have different emissions requirements
(Consult factory)
R a y p a k , I n c . • 2151 Eastman Ave., Oxnard, CA 93030 • phone: (805) 278-5300 • fax: (800) 872-9725 • www.raypak.com
Cat. No. 1100.12D Effective 06-15-10 Replaces: 11-15-09