Bradford White SW-2-40R-L User Manual

238-43480-00L REV 8/20
INDIRECT-FIRED
WATER HEATER
A Spanish language version of these instructions is available by contacting
the manufacturer listed on the rating plate.
La version espanola de estas instruccions se puede obtener al escribirle a
la fábrica cuyo nombre aparece in la placa de especificaciones.
INSTALLATION/OPERATING MANUAL
WITH PARTS LISTING AND TROUBLESHOOTING GUIDE
For your family’s comfort, safety, and convenience, we
recommend this water heater be installed and serviced by a
plumbing professional.
WARNING
To avoid damage or injury, there
must be no materials stored
against the indirect water heater
and proper care shall be taken
to avoid unnecessary contact
(especially by children) with the
indirect water heater.
• DO NOT store or use
gasoline or other flammable
liquids in the vicinity of this
water heater or any other
appliance.

Bradford White SW-2-40R-L Specifications

General

Brand	Bradford White
Model	SW-2-40R-L
Category	Water Heater
Capacity	40 gallons
Fuel Type	Natural Gas
Type	Tank
Voltage	120 V
Energy Factor	0.67
Diameter	20 inches
Warranty	6 years
BTU Input	40, 000 BTU

Summary

SECTION I IMPORTANT INFORMATION

Hazard Definitions

Explains DANGER, CAUTION, WARNING, and NOTICE symbols used for risk communication.

SECTION II SPECIFICATIONS

Tank Layout and Dimensions

Illustrates the water heater's physical layout and provides detailed dimensions for various models.

SECTION III GENERAL INFORMATION

Heat Exchanger and Plumbing Code Compliance

Details the heat exchanger features and its compliance with Uniform Plumbing Code requirements.

Adjustable Aquastat Control

Describes the thermostat's temperature range, factory settings, and adjustment recommendations.

Temperature and Pressure Relief Valve

Details the T&P valve's function, installation, and safety requirements.

Sacrificial Anodes

Explains the purpose, inspection, and replacement of anode rods for tank protection.

SECTION IV PRE-INSTALLATION

Unpacking and Shipment Inspection

Instructions for checking the product for damage upon delivery.

Boiler DOE Heating Capacity Sizing

Explains how boiler capacity impacts water heater output and calculations.

Circulator Sizing

Guides on selecting the appropriate circulator based on pressure drop calculations.

System Zone Control Methods

Discusses different methods for controlling heating zones with the water heater.

Domestic Hot Water Priority Options

Explains the Priority and Non-Priority settings for hot water delivery.

Component Location and Clearances

Details required clearances from combustible materials and service access.

Appliance and Fixture Location Recommendations

Advises on optimal placement relative to boiler and usage points.

Additional Recommended Components

Lists and explains optional but recommended accessories for installation.

SECTION V WATER CONNECTIONS

Potable Water Connection Procedures

Step-by-step instructions for connecting cold and hot water lines.

Boiler Supply and Return Piping

Instructions for connecting the unit to the boiler system.

Potable Water Connection Details

Further details on connecting potable water, including thermal expansion.

Boiler Connection Details

Further details on connecting to the boiler return piping, including flow controls.

Boiler Piping with Zone Valves

Illustrates and explains piping for systems utilizing zone valves.

Boiler Piping with Circulators

Illustrates and explains piping for systems utilizing circulators.

Steam Boiler Supply Piping Diagram

Provides a diagram and notes for connecting to a steam boiler.

Filling the Boiler System

Steps for filling the boiler and water heater system and purging air.

SECTION VI ELECTRICAL CONNECTIONS

Electrical Wiring Standards and Safety

Emphasizes adherence to electrical codes and safety precautions.

Aquastat Control Installation and Wiring

Guides on installing and wiring the aquastat temperature control.

SECTION VII OPERATING INSTRUCTIONS

System Start-Up Procedure

Instructions for initiating boiler operation after installation.

Aquastat Sequence of Operations

Explains how the aquastat controls heating cycles and circulator operation.

Water Temperature Adjustment and Scald Prevention

Details on setting water temperature and preventing scald injuries.

Scald Risk and Temperature Relationships

Provides data on water temperature vs. scald injury time.

Aquastat Temperature Adjustment Guide

Step-by-step instructions for adjusting the aquastat temperature setting.

SECTION VIII MAINTENANCE

Boiler and Water Piping Inspection (Annual)

Annual checks for leaks in piping, joints, and valves.

Temperature-Pressure Relief Valve Check (Annual)

Procedure for testing the T&P relief valve's functionality.

Anode Inspection and Replacement Guidance

Information on inspecting and replacing sacrificial anodes to prevent corrosion.

Anode Inspection/Replacement Procedure

Step-by-step guide for inspecting and replacing the water heater anodes.

Sediment and Scale Management

Advice on managing sediment buildup and scale formation on the heat exchanger.

SECTION IX TROUBLESHOOTING GUIDE

Troubleshooting No Hot Water Issues

Identifies common causes and solutions for lack of hot water.

Troubleshooting Water Temperature Problems

Addresses issues with water being too hot or insufficient hot water.

Troubleshooting Boiler Cycling Frequency

Solutions for problems related to excessive boiler cycling.

SECTION X PARTS LIST

Water Heater Part Identification

Lists and describes all components of the water heater with a diagram.