Specification sheet [PDF] (2 pages)
- Brand: Raypak
- Model: 182-400
- Format: PDF
- Key Aspects: Additional Modules and Accessories Guide, User Training Recommendations, System Architecture and Design Overview
- Updated: 08.04.2026
- Source File: 304050.pdf
- Pages: 2
- Description: Reference manual for the Raypak 182-400.
Document Preview & Text Transcription
Catalog No.: 2000.205D
Effective: 1-1-08
Replaces: 4-1-05
Job:
Engineer:
Contractor:
Prepared By:
Date:
Model:
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
ASME Inspected and Stamped
160 PSIG
National Board Approved
Headers
Cast Iron Glass-lined – Standard
Bronze – Option A-1
Finned Tubing
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
Water Connections
Left Hand – Standard
Right Hand – Option A-6
Flow Configuration – Two-pass
Pump – Optional
Mounted, 1/8 HP, 120 Volt, 1∅, 60 Hz
Controls
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
Flow Switch
Economaster II Pump Time Delay
Gas Control Train
Manual Main Gas Shut-off Cock
Main Gas Pressure Regulator
Redundant Safety Shut-off Valve
Control Valve
Firing Mode
On/Off (H4)
Two-stage Firing (H3)
Mechanical Modulation,
110-170°F (H5)
Mechanical Modulation,
150-210°F (H1)
Fuel
Natural Gas
Propane Gas
Design Certified ANSI Z21.13
Construction
Front Controls
Stainless Steel Burners
Polytuf Powder Coat Finish
Vent Selection
Draft Diverter – Option D-10
Power Vent, Loose – Option D-2
Base (Optional)
Combustible Floor Shield –
Option J-1
Temperature Controls
Note: H1 and H5 do not require a
controller
B-6
Two-stage – 100-200ºF
Y-241 Electronic Sequencer,
1-4 Stages
Y-281 Electronic Sequencer,
1-8 Stages
Additional Safety Controls
F-10 Low Water Cut-off Probe
I-1
High Limit Control, Auto
Reset, 240°F
S-1
Low Gas Pressure Switch,
Manual
S-2
High Gas Pressure Switch,
Manual
Regulatory Agency Requirements
Raytherm®
- Type H
Hydronic Heating Boilers
Models 182-400 - Indoor
Catalog No.: 2000.205D
Effective: 1-1-08
Replaces: 4-1-05
Raytherm - Type H
Hydronic Heating Boilers - Indoor
Model
K
(C)
INDOOR
DRAFT
38"
13-1/4"
GAS
CONNECTION
26-1/2"
10-1/4
3-7/8
3-7/8
26-1/2"
40"
21-1/4"
ELECT.
CONN
STACKLESS
OUTDOOR TOP
PUMP
(OPTIONAL)
PUMP COVER
(OPTIONAL)
J
3/4 NPT
GAS CONNECTION
(OUTDOOR
MODELS ONLY)
11"
Dimensions (Inches)
Shipping Weight
(Lbs.) – Approx.
Model
No.
MBTU
Input
MBTU
Output
AFUE*
(%)
Width
A
Height
C
J
Flue Dia.
K
No Pump w/ Pump
H-182
181
148
82.6
18-1/4
62-5/8
12-1/16
6
191
221
H-260
264
216
82.7
22-3/8
62-7/8
11-1/8
7
214
244
H-330
334
274
N/A
25-3/4
63-3/4
10-3/4
8
234
264
H-400
399
327
N/A
29-1/4
65-3/8
12-1/2
9
253
283
* With Vent Damper
NOTE: Ratings shown are for elevations up to 2,000 feet. For elevations over 2,000, reduce ratings at the rate of 4% for each
1,000 feet above sea level.
BOILER RATE OF FLOW AND PRESSURE DROP
10° ∆T
20° ∆T
30° ∆T
Model
No.
GPM
∆P FT
GPM
∆P FT
GPM
∆P FT
H-182
30
4.2
N/A
N/A
N/A
N/A
H-260
43
8.5
22
2.2
N/A
N/A
H-330
N/A
N/A
27
3.4
N/A
N/A
H-400
N/A
N/A
33
5.2
22
2.3
N/A – Not Applicable
Raypak, Inc. 2151 Eastman Avenue, Oxnard, CA 93030 (805) 278-5300 Fax (800) 872-9725 www.raypak.com