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Catalog No.: 2000.461A Effective: 07-21-10 Replaces: 9-15-07
Job:
Engineer:
Contractor:
Prepared By: Date:
Model: Indoor/Outdoor: MBTUH Input:
100% Factory Fire Tested
Efficiency: 84%
Maximum Outlet Temperature: 230°F
Minimum Non-Condensing Inlet Temperature: 105°F
Thermal Shock Proof Heat Exchanger
Limited Twenty-Year Thermal Shock Warranty
Limited Ten-Year Closed-System Heat Exchanger
Warranty
PolyTuf Powder Coated Cabinet
No Combustible Floor Shield Required
Fan-Assisted
Patented Burner Security Blanket
Heat Exchanger
H Stamp
Headers
Glass-Lined Cast Iron – Standard
Bronze – Option A-1
ASME Inspected and Stamped
160 PSIG Working Pressure
National Board Approved
Fin Tubing
Copper – Standard
Cupro Nickel – Option A-3
ASME Steel Tube Sheet
Silicone High Temp O-Rings
Pressure Relief Valve, ASME
45 PSIG – Standard on Model 399B
60 PSIG – Standard on Models
499B-899B
PSIG – Optional
Temperature and Pressure Gauge
Water Connections
Left – Standard
Right – Option A-6
Controls
120V, 60Hz, 1 Phase Power Supply
120/24V 60Hz Transformer
100% Shut-Off/Lockout
Hot Surface Ignition
Remote Flame Sensor
High Limit Control, Manual Reset
On/Off Power Switch
Manual Shut-Off, Front-Mounted Switch
Flow Switch
Blocked Vent Pressure Switch
Combustion Air Proving Switch
Pump Time Delay Relay
Status Display Lights
Gas Train
Manual Gas Shut-Off Valve(s)
Combination Valves
Firing Mode
On/Off: Model 399B
2-Stage: Models
499B-899B
Fuel
Natural Gas
Propane Gas
Design Certified - ANSI
Z21.13/CSA 4.9
Burner
Ultra-Low NOx: Less than
20 PPM
Construction
Indoor/Outdoor Construction
Enclosed Front Controls
Venting
Vent Location
Top, Outdoor – Standard
Top, Indoor – Option D-20
Rear – Option D-14
Vent Termination Cap
Outdoor D-11
Indoor, Horizontal D-15
Indoor, Vertical (by others)
Extractor – Optional
By others
Not required
Temperature Controls
B-2 Tankstat, Single-Stage
(100-200°F)
B-3 Tankstat, 2-Stage (100-200°F)
B-6 Aquastat, 2-Stage (100-200°F)
B-__ TempTracker Digital Controller,
2-Stage (Loose)
B-__ TempTracker Digital Controller,
4-Stage (Loose)
Options
C-6 Ignition Module, Manual Reset
F-10 Low Water Cut-Off, Remote Probe
I-1 High Limit Control, Auto Reset
P- Pump: HP, 120V, 1∅, 60Hz
Water Hardness:
GPG
Cast Iron Bronze
Mounted Loose
Front Rear
P-26 Cold Water Start (See 2000.48)
S-1 Low Gas Pressure Switch, Manual
S-2 High Gas Pressure Switch,
Manual
X-1 SureRack™ Kit
X-2 SureRack Add-on
Regulatory Agency Requirements
Delta Limited™ - Type H
Space Heating/Hot Water Boilers
Models 399B-899B
Shown with outdoor
air inlet and pump covers
Proudly Made in the U.S.A
Delta Limited models not approved for use in California