Hayward H350 - User Manual

POOL AND SPA/HOT TUB HEATERS
H150, H200, H210, H250, H300,
H350 & H400 MODELS
INSTALLATION, OPERATION, & SERVICE MANUAL
FOR YOUR SAFETY
This product must be installed and serviced by authorized personnel, qualied in pool/spa
heater installation. Improper installation and/or operation can create carbon monoxide gas
and ue gases that can cause serious injury, property damage, or death.
1301371801 Rev A 0413
U.S. PATENT NOS. 6,026,804 & 6,321,833
- Do not store or use gasoline or other
ammable vapors or liquids in the
vicinity of this or any other appliance.
• 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 neighbor’s phone. Follow the
gas supplier’s instructions.
• If you cannot reach your gas
supplier, call the re department.
- Installation and service must be
performed by a qualied installer,
service agency, or the gas supplier.
FOR YOUR SAFETY
WARNING: If the information in these
instructions is not followed exactly, a re or
explosion may result causing property
damage, injury, or death.
WHAT TO DO IF YOU SMELL GAS:

Summary

FOR YOUR SAFETY

What to Do If You Smell Gas

Step-by-step instructions for responding to detected gas leaks to ensure safety.

SECTION 3 INSTALLATION

Water Piping and Connections

Instructions for connecting the heater to the pool/spa plumbing system.

SECTION 4 INSTALLER CHECK-OUT & START-UP

General Check-out and Gas Testing

Initial procedures for verifying installation, including gas line testing and pressure checks.

SECTION 5 CONSUMER OPERATION & MAINTENANCE PROCEDURES

Heater Operation and Safety Precautions

Instructions for safe operation, including lighting, temperature limits, and handling gas.

SECTION 6 QUALIFIED TECHNICIAN - MAINTENANCE;SERVICING

Heat Exchanger, Burner, and Gas Valve Service

SECTION 7 TROUBLESHOOTING

Diagnostic Charts and Fault Finding

Comprehensive charts to identify and resolve common heater faults and issues.

Parts Lists and Illustrations

Hayward H350 Specifications

General

Heating Capacity	350, 000 BTU/hr
Fuel Type	Natural Gas or Propane
Maximum Working Pressure	50 PSI
Heat Exchanger Material	Cupro-Nickel
Water Connections	2"