MODELS 181, 264, 331, 399 GB
Important Warning
Catalog NO. RM-001
Electric Code ANSI/NFPA
Index
Construction Features
Series GB For circulating tank systems Through 1826 Mbtuh
Specification Data
Page
Shipping
Water Flow
Installation Regulations
Receivingequipment
Water Conditions
Combustible Floor Base
Baserequirements
Boiler Part
Combustibleconstructionclearances
Protected Surfaces
MODEL181-399
Combustion and Ventilation AIR Supply
Recommended Minimum AIR Openings
Model
MODELS926-1758
Models 512
Indoorheaters
Models
Heater Before Heater After Drafthood Installation
MODELS181-399
Page
Fig. #7043.1
Models 136 Through 264 Where Required Location
Power Venting
Vent Damper Installation
Outdoorwaterheaters
Mounting
Normal Operation Summary
SP. GR
Gas Natural Propane
BTU/CF
Pipe Sizes
Test piping as follows
Fig.#8185.1
Cold Water Supply
Water
GPM NPT
HOT Water Supply Heater
Tanktemperaturecontrol
Series with 115 Volt Supply to the Heater
Piping DIAGRAM-1 Heater 1 Tank Thermostat Supplied
Installation Water Heater Plumbing
Sequenceofoperation
Piping DIAGRAM-1 Heater 2 Tank
Piping Must be Equal Between Tees and TANKS. Notes
Piping DIAGRAM-1 Heater 3 Tank
Fig. # 8067-RHEEM
Piping DIAGRAM-1 Heater 4 Tank
Piping DIAGRAM-2 Heater 1 Tank Special Thermostat and Well
Energy Saving Pump Control
Description of Controls in General
Electronicignition
Flow Switch
Tankstat Temperature Control
Highlimit
START-UP
Electrical
Single Stage Tankstat
ON-OFFOPERATION
TIME/TEMPERATURE Relationships in Scalds
Scalding
For Your Safety Read Before Operating
Close all manual gas valves. Turn off electric power
To Shut Down
Monthly
Inspectionand Maintenanceprocedures
Six Months
Burner Inspection
System Shut Down Procedure
Service Assistance
Venting System Inspection
Trouble Shooting
Problem
If okay replace ignition module
Electrical Electronic Ignition IID Models 512
Start
Wiring Diagram KEY
Wiring Diagrams
Wiring Diagram Models 331
Wiring Diagram Models 512
Wiring Diagram Models
Wiring Diagram Models 726
Wiring Diagram Model 825 Wiring Diagram Models 962
Fig. # 1967e
Replacement Parts Lists
Model 136 GB only
Model 136 GB only
Models 181, 264, 331, 399 GB
Page
Models 181, 264, 331, 399 GB
Models 181, 264, 331,339 GB
Models 512, 627, 726, 825 GB
Models 512, 627, 726, 825 GB
Models 512, 627, 726, 825 GB
Models 926-1826 GB
Models 926-1826 GB
Models 926-1826 GB