Raytherm® - Type H
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Engineer:
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Model:
Hydronic Heating Boilers
Models 182-400 - Indoor
Date:
Indoor
EFFICIENT
ꢀ 82% efficiency – highest of any atmospheric boiler
available today
THERMAL SHOCK PROOF
ꢀ Twenty-year warranty against thermal shock damage
up to 150°F differential
ꢀ Maximum operating temperature: 230°F
LIGHTWEIGHT
ꢀ A floor load of 70 lbs./sq. ft. or less
HIGH RECOVERY
ꢀ Cuts fuel costs substantially because the standby and
radiation losses normal to other boilers and
tank-type water heaters are eliminated
LOW WATER OPERATING TEMPERATURE
ꢀ Operates with water temperature as low as
105°F without condensing
Heat Exchanger
Gas Control Train
Temperature Controls
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ASME Inspected and Stamped
160 PSIG
National Board Approved
Headers
Cast Iron Glass-lined – Standard
Bronze – Option A-1
Finned Tubing
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Manual Main Gas Shut-off Cock
Note: H1 and H5 do not require a
controller
Main Gas Pressure Regulator
Redundant Safety Shut-off Valve
Control Valve
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B-6 Two-stage – 100-200ºF
Y-241 Electronic Sequencer,
1-4 Stages
Y-281 Electronic Sequencer,
1-8 Stages
Firing Mode
On/Off (H4)
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Two-stage Firing (H3)
Mechanical Modulation,
110-170°F (H5)
Mechanical Modulation,
150-210°F (H1)
Copper – Standard
Cupro Nickel – Option A-3
ASME Steel Tube Sheet
Silicone O-Rings
ASME Pressure Relief Valve
45 PSIG – Standard
PSIG ASME – Optional
Temperature and Pressure Gauge,
Shipped Loose
Additional Safety Controls
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F-10 Low Water Cut-off Probe
I-1
High Limit Control, Auto
Reset, 240°F
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Fuel
Natural Gas
Propane Gas
Design Certified ANSI Z21.13
S-1 Low Gas Pressure Switch,
Manual
S-2 High Gas Pressure Switch,
Manual
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Construction
Water Connections
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Front Controls
Left Hand – Standard
Right Hand – Option A-6
Flow Configuration – Two-pass
Pump – Optional
Stainless Steel Burners
Polytuf Powder Coat Finish
Vent Selection
Draft Diverter – Option D-10
Power Vent, Loose – Option D-2
Base (Optional)
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Regulatory Agency Requirements
Mounted, 1/8 HP, 120 Volt, 1∅, 60 Hz
Controls
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120V, 60Hz, 1 Ph Power Supply
120/24V Transformer
100% Pilot Shut-off/Lockout
Electronic, Intermittent Ignition (IID) Pilot
High Limit Control, Manual Reset
On/Off Switch
Combustible Floor Shield –
Option J-1
Flow Switch
Economaster II Pump Time Delay
Catalog No.: 2000.205D
Effective: 1-1-08
Replaces: 4-1-05
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