Waterpik Technologies pool/spa heater - Manual (Page 7)

LX and LT Pool Heaters
Page 5
1. The gas supply must be able to provide gas at
pressures specified in Table 5.
2. Gas piping installation must be in accordance with
the latest edition of ANSI Z223.1. In Canada, the
installation must be in accordance with CAN- B149.1
or .2 and all local codes that apply.
3. Check the rating plate to make sure the heater is
fitted for the type of gas being used. Waterpik
Technologies heaters shipped from the factory are
certified to operate at an altitude of 0 to 3000 feet (0
to 915 m) for natural gas and 0 to 5000 feet (0 to
1525 m) for propane, or if so ordered, at higher
altitudes. In the United States, the heater manifold is
marked with a tag or sticker indicating one of the
following high altitude operation codes:
FOR NATURAL GAS
a. High altitude (H) - 3,000 to 6,000 feet
(915 to 1830 m)
b. High altitude (J) - 6,000 to 10,000 feet
(1830 to 3050 m)
FOR PROPANE GAS
a. High altitude (H) - 5,000 to 10,000 feet
(1525 to 3050 m)
4. In Canada, the heater rating plate is marked for
specific altitude requirements as follows:
FOR NATURAL GAS
a. Factory Released - 0 to 2,000 feet
(0 to 610 m)
2F-4b.Vent Pipe Sizing and
Installation
As part of their certification, the LX and LT have
been determined to be a Category I Fan-Assisted
appliance. They are intended for standard vertical venting
per tables provided in most local codes for Category I Fan-
Assisted appliances. If the local code does not include
such tables, refer to the National Fuel Gas Code Z223.1 or
the Canadian Installation Codes for Gas Appliances CAN
1-B149.1 & 2. Note that the tables for fan-assisted
appliances include both maximum and minimum vent
loading figures. The primary purpose of the maximum
ratings are to assure that the vent operates with negative
pressure throughout its length. The minimum ratings are
to assure that vent gases don’t cool too much and thereby
assure that condensation doesn’t occur.
It is important that all aspects of venting installation
be in accordance with local codes, or in their absence, the
cited national codes. Vent diameter, height, allowable
length of horizontal runs, vent cap requirements, location
and height of vent terminations on a roof, and many other
important matters are covered in these codes. Proper
installation of the LX and LT heaters requires that all
these factors be correctly handled.
2G. Gas Supply and Piping
2G-1. General Instructions
Review the following general instructions before
continuing the installation.
Figure 6. Indoor Installation Venting (USA), or Outdoor Shelter (Canada).
FOR GARAGE
INSTALLATION
BASE OF HEATER
MUST BE A
MINIMUM OF 18
INCHES (46 CM)
ABOVE THE
FLOOR
ROOF JACK
2)