3
Rev. D 1-19-00
P/N 471243
Introduction
Laguna 100K
ABOVE GROUND POOL AND SPA HEATERS
Congratulations on your purchase of a Laguna 100K high performance heating system. Proper installation and
service of your new heating system and correct chemical maintenance of the water will ensure years of enjoyment.
The Laguna 100K is a compact, lightweight and efficient gas fired high performance above ground pool and spa
heater that can be connected to schedule 40 CPVC or ABS pipe and has a built-in top. The heater features include
the following features.
• Reliable direct-spark ignition (DSI) system available in propane or natural gas versions.
• Millivolt standing pilot versions in propane and natural gas, when no convenient line power is present.
• Fuel gas input of 100,000 btu/hr with thermal efficiency in excess of 82%.
• Quiet and dependable operation from packaged burner system proven reliable in worldwide usage.
• Heat exchanger constructed of premium non-corroding materials including bronze headers standard.
• The controls have been designed to be very easy to troubleshoot and very easy to access and replace in the
rare event of a malfunction-making the Laguna 100K user friendly.
IMPORTANCE NOTICES FOR THE INSTALLER AND OPERATOR.
The manufacturer’s warranty may be void if, for any reason, the heater is improperly installed and /or operated.
Be sure to follow the instructions set forth in this manual.
These heaters are designed for the heating of swimming pools and spas, and should never be employed for use as
space heating boilers, general purpose water heaters, or for the heating of salt water.
CODES
The installation must conform with local codes or in the absence of local codes with the latest National Fuel Gas
Code, ANSI Z223.1, and the latest edition of the National Electrical Code, NFPA 70.
Installation in Canada to be made in accordance with the latest CAN/CGA-B149.1 or .2 and CSA C22.1
Canadian Electric Code, part 1.