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P/N 472089 Rev. E 4-19-05
4
To identify the heater, see rating plate on the inner front panel of the heater. There are two designators for each
heater, one is the Model Number and the other is the Heater Identification Number (HIN).
a. Heater Identification Number (HIN)
The following example simplifies the identification system:
1) HTR : Heater
2) (200, 250, 300 or 400) : Input rating (Btu/hr) X 1000
3) NT : MiniMax NT Series
4) LN : Series Character
5) NH : Gas type (Natural gas) and ignition system (Hot Surface Ignition)
6) Options :
Blank: Standard Model
ASME: ASME Certified (Bronze Headers)
ASHI: ASME Certified Bronze Header and High Altitude Rating
HALT: High Altitude Rating
HTR 400 NT LN N H A S H I
BLANK = STANDARD MODEL
ASME = ASME CERTIFIED
ASHI = ASME CERTIFIED AND HIGH ALTITUDE RATED
HALT = HIGH ALTITUDE RATED
H = HOT SURFACE IGNITION
N = NATURAL GAS
LN = LOW NOx
NT = MINIMAX NT SERIES
MODEL SIZE = BTU INPUT in 1000 of BTU / HR
H. I. N.
HEATER IDENTIFICATION NUMBER
ID DESIGNATOR FOR PENTAIR POOL & SPA HEATERS
Section I. Heater Identification Information
Heater Identification Information
HEATER IDENTIFICATION INFORMATION — (HIN)