BURNER ORIFICE CHART

Ordering Information

MiniMax Model Used on Gas Type Specified Altitude Part No. Orifice No. Orifice Dia. Color
NATURAL GAS HEATER ORIFICE CHART
NT STD NA 0–2999 ft. 73727 30 0.1285 Green
NT STD NA 3000–5999 ft. 472569 0.125 No Color
NT STD NA 6000–9999 ft. 71466 31 0.12 No Color
NT STD NA 10,000 (+) ft. 71467 32 0.116 No Color
NT LN NA 0–2999 ft. 471984 0.125 No Color
NT LN NA 3000–5999 ft. 471985 31 0.12 No Color
NT LN NA 6000–9999 ft. 471985 31 0.12 No Color
NT LN NA 10,000 (+) ft. 471986 32 0.116 No Color
NT TSI NA 0–2999 ft. 472434 23 0.154 No Color
NT TSI NA 3000–5999 ft. 472496 25 0.1495 No Color
NT TSI NA 6000–9999 ft. 472263 26 0.147 No Color
NT TSI NA 10,000 (+) ft. 472264 27 0.144 No Color
CH NA 0–2999 ft. 73727 30 0.1285 Green
CH NA 3000–5999 ft. 472569 0.125 No Color
CH NA 6000–9999 ft. 71466 31 0.12 No Color
CH NA 10,000 (+) ft. 71467 32 0.116 No Color
Commercial NA 0–2999 ft. 470656 20 0.161 No Color
Commercial NA 3000–5999 ft. 471975 23 0.154 No Color
Commercial NA 6000–9999 ft. 470777 24 0.152 No Color
Commercial NA 10,000 (+) ft. 471974 26 0.147 No Color
PROPANE GAS HEATER ORIFICE CHART
NT STD LP 0–2999 ft. 73728 45 0.082 Red
NT STD LP 3000–5999 ft. 71461 47 0.0785 No Color
NT STD LP 6000–9999 ft. 71462 48 0.076 No Color
NT STD LP 10,000 (+) ft. 471973 49 0.073 No Color
CH LP 0–2999 ft. 73728 45 0.082 Red
CH LP 3000–5999 ft. 71461 47 0.0785 No Color
CH LP 6000–9999 ft. 71462 48 0.076 No Color
CH LP 10,000 (+) ft. 471973 49 0.073 No Color

Note

¹ Includes quick flange unit, (4) bolts, (4) washers, (2) 2 in. bushings, (2) 1-1/2 in. bushings, (2) sleeves.
! CALIFORNIA PROPOSITION 65 WARNING WARNING: Cancer and Reproductive Harm. AVERTISSEMENT: Peut Causer le Cancer et des Dommages au Système Reproducteur. ADVERTENCIA: Cáncer y Daño Reproductivo. www.p65warnings.ca.gov.

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