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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
ⅷ ⅷ = Standard ⅜ ⅜ = Optional
HEAT EXCHANGER
Water Heaters (Type WH)
HD101-HD401 302B-902B 992B-2342B
Boilers (Type H)
HD101-HD401 302B-902B 992B-2342B
ASME, National Board Registered, 160 PSI H Stamp ⅷⅷⅷN/A N/A N/A
HLW Stamp N/A N/A N/A ⅷⅷⅷ
Heat Exchanger Tubes Copper ⅷⅷⅷⅷⅷⅷ
Cupro Nickel ⅜⅜⅜⅜⅜⅜
Headers Bronze ⅜⅜⅜ⅷⅷⅷ
Cast Iron ⅷⅷⅷ⅜⅜⅜
Pressure Relief Valve 30, 45, 60, 75, 125 & 150 PSI Available ⅷⅷⅷⅷⅷⅷ
Temperature & Pressure Gauge ⅷⅷⅷⅷⅷⅷ
Pump – 120V, Single-Phase ⅜⅜⅜⅜⅜⅜
OPERATING CONTROLS
120V Power Supply With 120V/24V Transformer ⅷⅷⅷⅷⅷⅷ
Pump Time Delay Single Phase ⅷⅷⅷⅷⅷⅷ
Diagnostic Display Central 16-Event Memory N/A ⅷⅷN/A ⅷⅷ
Temperature Controller B-20: On/Off, Mechanical ⅜⅜⅜⅜⅜⅜
B-28: On/Off, Digital ⅜⅜⅜⅜⅜⅜
B-6: 2-Stage, Mechanical ⅜⅜⅜⅜⅜⅜
B-26–B-27: 2-Stage, Digital ⅜⅜⅜⅜⅜⅜
B-21–B-23: 4-Stage, Digital ⅜⅜⅜⅜⅜⅜
B-24: 2-Stage, Raytemp (Digital) N/A ⅜⅜N/A ⅜⅜
B-25: 4-Stage, Raytemp (Digital) ⅜⅜⅜⅜⅜⅜
Y-200 Series, Digital ⅜⅜⅜⅜⅜⅜
SAFETIES
Hot Surface Ignition System 3-try ⅷⅷⅷⅷⅷⅷ
1-try N/A ⅜⅜N/A ⅜⅜
High Gas Pressure Switch ⅜⅜⅜⅜⅜⅜
Low Gas Pressure Switch ⅜⅜ⅷ⅜⅜ⅷ
Blocked Vent and Air Pressure Switches ⅷⅷⅷⅷⅷⅷ
High Limit Switch Manual Reset, Fixed ⅷ N/A N/A ⅷ N/A N/A
Manual Reset, Adjustable
⅜ⅷⅷ⅜ⅷⅷ
Automatic Reset, Adjustable ⅜ (1) ⅜ ⅜⅜⅜
Low Water Cut-Off, 24V With manual reset and test button ⅜⅜⅜⅜⅜⅜
Flow Switch ⅷⅷⅷⅷⅷⅷ
GAS TRAIN
Firing Mode On/Off (H4, WH1) ⅜ (2) ⅜ ⅷ (2) ⅜
2-Stage (H3, WH3) ⅷ (3) ⅜ ⅜ (3) ⅜
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 ⅷ⅜(6) ⅷ⅜(6)
AIR
TruSeal Direct Vent System ⅷ⅜⅜ⅷ⅜⅜
Air Filter, Room Air ⅷⅷⅷⅷⅷⅷ
Air Filter, Ducted Outside Air ⅷ⅜⅜ⅷ⅜⅜
OTHER
Efficiency 84% (Category I) ⅷⅷⅷN/A N/A N/A
(98% available; See Specialty Models) 85% (Category I) N/A N/A N/A
ⅷⅷⅷ
87% (Category II) N/A ⅜⅜N/A N/A N/A
Combustible Floor Rated ⅷⅷⅷⅷⅷⅷ
Alarm System ⅜⅜⅜⅜⅜⅜
Vent Terminal Outdoor and Through-the-Wall ⅜⅜⅜⅜⅜⅜
Right-Hand Water Connections ⅜⅜⅜⅜⅜⅜
CSD-1/GE GAP Control System N/A (7) ⅜ N/A (7) ⅜
Low NOx Compliance Meets all current requirements ⅷⅷ(8) ⅷⅷ(8)
Cold Water Start Cold water protection systems N/A ⅜⅜N/A ⅜⅜
Cold Water Run Cold water protection systems N/A ⅜⅜N/A ⅜⅜
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)
Raypak, Inc. • 2151 Eastman Ave., Oxnard, CA 93030 • phone: (805) 278-5300 • fax: (800) 872-9725 • www.raypak.com
Cat. No. 1100.12C Effective 11-15-09 Replaces: 07-01-09