Rheem MHD75245 - User Manual

Water Heaters
Light Duty Commercial Electric
The purpose of this manual is twofold:
one, to provide the installer with the basic
directions and recommendations for the proper
installation and adjustment of the water heater;
and two, for the owner–operator, to explain
the features, operation, safety precautions,
maintenance and troubleshooting of the water
heater. This manual also includes a parts list.
It is imperative that all persons who are
expected to install, operate or adjust this
water heater read the instructions carefully
so they may understand how to perform
these operations. If you do not understand
these instructions or any terms within it, seek
professional advice.
Any questions regarding the operation,
maintenance, service or warranty of this
water heater should be directed to the seller
from whom it was purchased. If additional
information is required, refer to the warranty.
Do not destroy this manual. Please read
carefully and keep in a safe place for future
reference.
!
Recognize this symbol as an
indication of Important Safety
Information!
Double Element Models,
75, 85, 105 Gallon
AP17946-3 Rev. 4
Use & Care Manual
With Installation Instructions for the Installer

Rheem MHD75245 Specifications

General

Brand	Rheem
Model	MHD75245
Category	Water Heater
Language	English

Summary

Water Temperature Safety

Time;Temperature Relationship in Scalds

Chart detailing burn times at different water temperatures to prevent scalding.

General Safety Warnings

General Safety Precautions

Essential safety measures to follow during installation and operation.

Installation Regulations and Location

Local Installation Regulations

Water Heater Location Selection

Detailed guidance on selecting an appropriate installation location for the water heater.

Water Heater Installation Considerations

Thermal Expansion Management

Vacuum Relief Valve Function

Relief Valve and Drain Pan Requirements

Temperature and Pressure Relief Valve Installation

Information on the proper installation and function of the relief valve.

Drain Pan Installation Guidelines

Water Supply and Filling Procedures

Water Supply Connections

To Fill the Water Heater

Electrical Connections

Wiring Diagrams

Operating the Water Heater

Safety Precautions During Operation

Key safety measures to observe during the operation of the water heater.

Safety Controls Overview

Water Temperature Setting Adjustment

Troubleshooting and Service

Before You Call For Service...

A guide to troubleshooting common water heater problems before seeking professional help.

Troubleshooting Tips

Common problems, their causes, and recommended solutions.

Element Replacement Instructions