Use and Care Manual
LP-436 Rev. 5.2.18
4
Table of Contents
Part 1 - General Safety Information 4
A. Improper Combustion 5
B. Gas 5
C. When Servicing the Water Heating System 5
D. Heater Water 5
E. Freeze Protection 5
F. Water Temperature Adjustment 5
G. Water Chemistry Requirements 5
H. What’s in the Box 6
I. Optional Equipment 6
Part 2 - Installation Instructions 6
A. Locating the Water Heater 6
B. Minimum Clearances 7
C. Combustion and Ventilation Air Supply 8
1. Requirements for Unconned Spaces 8
2. Requirements for Conned Spaces 8
In the US (refer to ANSI Z223.1/NFPA 54) 8
In Canada (refer to CAN/CSA B149.1) 9
3. Louvers and Grilles 9
4. Corrosive Atmospheres 9
D. Venting 9
1. Automatic Flue Damper / Drafthood Assembly 9
2. Venting System 10
3. Optional Side Wall Power Vent Kits 10
E. Water Piping 12
1. Temperature and Pressure Relief Valve 12
2. Pressure Build-Up in a Water System 13
3. Filling the Water Heater 13
F. Gas Connections 13
G. Combination Space Heating and Potable Water Heating 14
H. Wiring 14
Part 3 - Operating Instructions 17
A. Lighting the Water Heater 17
B. Drafthood Operation 18
C. Water Temperature Regulation 18
D. Out of Fuel 18
Part 4 - General Maintenance 18
A. Housekeeping 18
B. Condensation 18
C. Main Burner and Pilot 18
D. Cleaning Out the Water Heater 18
E. Temperature and Pressure Relief Valve 19
F. Venting System Inspection 19
G. Anode 19
H. Draining the Water Heater 19
I. Vacation 19
J. Getting Service for the Water Heater 19
Part 5 - Troubleshooting Guide 22
Limited Warranty 30
Customer Installation Record Form 32
Part 1 - General Safety Information
Installer - Read all instructions in this manual before installing.
Perform steps in the given order.
User - This manual is for use only by a qualied heating installer
/ service technician. Have this water heater serviced / inspected
annually by a qualied service technician.
FAILURE TO ADHERE TO THE GUIDELINES ON THIS PAGE
CAN RESULT IN SUBSTANTIAL PROPERTY DAMAGE, SEVERE
PERSONAL INJURY, OR DEATH.
DO NOT USE THIS WATER HEATER IF ANY PART HAS BEEN
SUBMERGED IN WATER. Immediately call a qualied service
technician. The water heater MUST BE replaced if it has been
submerged. Attempting to operate a water heater that has been
submerged could create numerous harmful conditions, such as
a potential gas leakage causing a re and/or explosion, or the
release of mold, bacteria, or other harmful particulates into the
air. Operating a previously submerged water heater could result in
property damage, severe personal injury, or death.
NOTE: Water heater damage due to ood or submersion is
considered an Act of God, and IS NOT covered under product
warranty.
NOTE: Obey all local codes. Obtain all applicable permits before
installing the water heater.
NOTE: Install all system components and piping in such a manner
that does not reduce the performance of any re rated assembly.
Altering any water heater with parts not manufactured by the
manufacturer WILL INSTANTLY VOID the water heater warranty
and could result in property damage, personal injury, or death.
This water heater has been designed to heat potable water ONLY.
Using this water heater to heat non-potable uid WILL VOID
product warranty, and could result in property damage, personal
injury, or death.
High heat sources (sources generating heat 100
o
F / 37
o
C or
greater, such as stove pipes, space heaters, etc.) may damage
plastic components of the water heater as well as plastic vent
pipe materials. Such damages ARE NOT covered by warranty. It is
recommended to keep a minimum clearance of 8” from high heat
sources. Observe heat source manufacturer instructions, as well
as local, state, provincial, and national codes, laws, regulations
and ordinances when installing this water heater and related
components near high heat sources.
UNCRATING THE WATER HEATER - Any claims for damage or
shortage in shipment must be led immediately against the
transportation company by the consignee.
For Your Records
Write the Product Model and Serial Numbers:
Model # ________________________________________
Serial # _________________________________________
These numbers are listed on the product ratings label.
Keep this manual and information for future reference.
NOTE: If the water heater is exposed to the following, do not
operate. Immediately call a qualied service technician.
1. Fire
2. Damage
3. Water
Failure to follow this information could result in property damage,
severe personal injury, or death.
Do not use this water heater for anything other than its intended
purpose (as described in this manual). Doing so could result in
property damage and WILL VOID product warranty.