Heat
Exchanger
P/N
Core Size &
Geometry
Std. Fan Offering
(Quantity)
Standard Air Flow
& Pressure Drop (60Hz)
Typical Water Flow
& Pressure Drop
Heat Dissipation (watts) when:
Water temp in - Air temp in =
10ºC 30ºC 50ºC 70ºC
730 5.8"x5.8"x1.84"
12 Core Tubes
All in series

Muffin XL®(1)
4.25" Square
65 CFM @ 0.16"w.c. 0.70 GPM @ 0.5 PSID 212w 636w 1060w 1484w
2 GPM @ 5.8 PSID 240w 720w 1200w 1680w
731 10.50"x5.8"x1.84"
12 Core Tubes
All in series

Muffin XL®(2)
4.25" Square
130 CFM @ 0.16"w.c. 0.50 GPM @ 1 PSID 378w 1134w 1890w 2646w
2 GPM @ 8.1 PSID 446w 1338w 2230w 3122w
732 9.50"x9.0"x2.50"
20 Core Tubes
All in series

Patriot®(1)
6.75" Round
180 CFM @ 0.24"w.c. 0.50 GPM @ 1.5 PSID 524w 1572w 2620w 3668w
2 GPM @ 12.7 PSID 618w 1854w 3090w 4326w
733 17.50"x9.0"x2.50"
20 Core Tubes
All in series

Patriot®(2)
6.75" Round
360 CFM @ 0.24"w.c. 0.50 GPM @ 2.6 PSID 969w 2907w 4845w 6783w
2 GPM @ 20 PSID 1142w 3426w 5710w 7994w
734 11.50"x12.0"x2.12"
28 Core Tubes
2 Parallel Circuits

Caravel®(1)
10.00" Round
220 CFM @ 0.14"w.c. 1 GPM @ 1.4 PSID 808w 2424w 4040w 5656w
2 GPM @ 4.1 PSID 941w 2823w 4705w 6587w
735 21.56"x12.0"x2.12"
28 Core Tubes
2 Parallel Circuits

Caravel®(2)
10.00" Round
440 CFM @ 0.14"w.c. 1 GPM @ 1.7 PSID 1455w 4365w 7275w 10185w
2 GPM @ 5 PSID 1721w 5163w 8605w 12047w
736 21.85"x14.0"x2.63"
32 Core Tubes
2 Parallel Circuits

Major®(6)
6.75"x5.92" Oval
840 CFM @ 0.32"w.c. 1 GPM @ 1.8 PSID 1843w 5529w 9215w 12900w
2 GPM @ 5.4 PSID 2367w 7100w 11835w 16569w
737 20.25"x22.88"x2.63"
56 Core Tubes
4 Parallel Circuits

Caravel®(4)
10" Round
880 CFM @ 0.14"w.c. 1 GPM @ 0.7 PSID 2134w 6400w 10670w 14940w
4 GPM @ 4.2 PSID 3298w 9894w 16490w 23086w