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high altitudes are available from your Jandy pool
products dealer or by contacting the Customer
Service Department at 707.776.8200 extension
245. See Section 11, "Parts List", of this manual
for the correct kit number for the manifold
assembly needed for your altitude. Table 1
defines the altitude designations as described by
the "Standard for Gas Fired Pool Heaters", ANSI
Z21.56 in the United States and "Gas-Fired
Appliances For Use At High Altitudes", CAN1-
2.17 in Canada.
1.7.2 Dimensions
See Figure 1 for a diagram showing the heater's
exterior dimensions and dimensions to critical connec-
tions on the heater.
Figure 1. General Configuration
* Values shown are for both LX and LT models.
Heater Width
Model* Dim "A" Heater Depth Heater Height Vent Diameter Firing Rate
in (cm) in (cm) in (cm) in (cm) BTU/HR (kcal)
250-L 28 1/4 (72) 27 1/8 (69) 30 7/8 (78) 7 (18) 250,000 63
400-L 34 1/4 (87) 27 1/8 (69) 30 7/8 (78) 9 (23) 400,000 101
Table 1. Altitude Designations For The LX/LT Heaters
ALTITUDE UNITED CANADA
DESIGNATION STATES
LOW ALTITUDE 0-3000 FT 0-2000 FT
(0-610 m)
MID ALTITUDE 3001-6000 FT 2001-4500 FT
(611-1370 m)
HIGH ALTITUDE 6001-10,000 FT NOT
APPLICABLE
LP
LOW ALTITUDE 0-5000 FT 0-4500 FT
(0-1370 m)
HIGH ALTITUDE 5001-10,000 FT NOT
APPLICABLE
NATURAL GAS
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