Table of Contents

Section

Page

Introduction ______________________________________________5

How to Use this Manual _____________________________________6

Tools Required for Service ___________________________________6

Specifications _____________________________________________7

Sequence of Operation______________________________________9

Power Up Sequence Normal Heating Sequence Abnormal Operation

Troubleshooting __________________________________________ 13

Burner Maintenance _______________________________________ 17

Burner Inspection

Burner Cleaning Procedure

Pilot Maintenance _________________________________________ 19

Pilot Inspection, Testing and Replacement

Thermal Well Testing ______________________________________ 21

Determine Water Temperature Inside Tank_____________________ 22

Component Disassembly ___________________________________ 24

Gas Control Removal ______________________________________ 25

Gas Control Assembly _____________________________________ 26

Flammable Vapor Sensor Testing_____________________________ 27

120 VAC Circuit Trace _____________________________________ 28

Relay Replacement________________________________________ 28

Common Terms __________________________________________ 30

Notes __________________________________________________ 30

Parts List _______________________________________________ 31

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Bradford-White Corp PE4403S*F(BN,SX), PE4503*F(BN,SX), PE440T*F(BN,SX), PE2XR504T*F(BN,SX) service manual Table of Contents

PE4403S*F(BN,SX), PE440T*F(BN,SX), PE4503*F(BN,SX), PE2XR504T*F(BN,SX) specifications

Bradford-White Corporation is a renowned manufacturer of water heating and storage products, well-regarded for its commitment to quality and innovation. Among its diverse product lineup, the PE2XR504T*F(BN,SX), PE4503*F(BN,SX), PE440T*F(BN,SX), and PE4403S*F(BN,SX) models stand out for their technology, efficiency, and performance. These commercial electric water heaters are designed for demanding applications, making them ideal for various settings, including restaurants, hotels, and industrial facilities.

One of the most notable features across these models is the use of advanced heating elements, which are engineered to provide rapid recovery and consistent hot water temperatures. This capability ensures that businesses can rely on a continuous supply of hot water, particularly during peak demand periods. The tanks are constructed with high-quality materials that guarantee durability and longevity, reducing the need for frequent replacements.

Another key feature is the digital temperature control system, which allows users to easily set and maintain the desired water temperature with precision. This technology not only enhances user convenience but also contributes to energy efficiency, allowing businesses to operate within sustainable parameters while minimizing energy costs. Additionally, certain models are equipped with Bradford-White’s patented Hydrojet® Total Performance System, which promotes superior tank cleaning and reduces sediment buildup, thereby improving efficiency and prolonging the life of the heater.

Safety is paramount in the design of these units. The incorporation of advanced safety features, including a self-resetting thermal cutoff and a high limit switch, helps protect against overheating. Furthermore, these models are built with a robust insulation system, which reduces heat loss and improves overall energy efficiency.

In terms of versatility, the PE2XR504T*F(BN,SX), PE4503*F(BN,SX), PE440T*F(BN,SX), and PE4403S*F(BN,SX) can be easily integrated into existing plumbing systems. They are available in various capacities and configurations, catering to a wide range of commercial needs. With their combination of cutting-edge technology, reliability, and safety features, these Bradford-White models are an excellent investment for any commercial establishment seeking efficient and dependable hot water solutions.