1
ONLY USE GENUINE HAYWARD REPLACEMENT PARTS
51300803801 REV B
SAVE THESE
INSTRUCTIONS
FOR YOUR SAFETY
WARNING:
If the information in these instructions is
not followed exactly, a fire or explosion may result caus-
ing property damage, injury, or death.
FOR YOUR SAFETY:
This product must be installed and serviced by au-
thorized personnel, qualified in pool/spa heater in-
stallation. Improper installation and/or operation
can create carbon monoxide gas and flue gases
that can cause serious injury, property damage, or
death.
Do not store or use gasoline or other flammable
vapors or liquids in the vicinity of this or any other
appliance.
WHAT TO DO IF YOU SMELL GAS:
Do not try to light any appliance.
Do not touch any electrical switch; do not use any
phone in your building.
Immediately call your gas supplier from a neigh-
bor’s phone. Follow the gas supplier’s instruc-
tions. If you cannot reach your gas supplier, call
the fire department.
Installation and service must be performed by a
qualified installer, service agency or the gas sup-
plier.
CONTENTS
Pg
GETTING STARTED
2
INSTALLATION
11
LOCATING THE HEATER
12
GAS CONVERSION PROCEDURE
15
ALTITUDE OF INSTALLATION
16
AIR SUPPLY
16
FLUE GAS VENTING
18
GAS SUPPLY
22
WATER PIPING
23
ELECTRICAL CONNECTIONS
25
CHECK-OUT & START-UP
29
CONTROL SETUP
29
GAS TESTING
31
WATER PRESSURE SWITCH SETUP
34
MAINTENANCE & SERVICE
35
WATER CHEMISTRY
35
WINTERIZATION
36
SPRING START-UP
35
TROUBLESHOOTING
41
SERVICE PARTS
44
IN GROUND POOL/SPA GAS HEATERS
INSTALLATION & OPERATIONS MANUAL