- products: brazed | double wall brazed | shell and tube | shell & coil | pool heaters | indirect water heaters | air to water
- applications: radiant floor heating | snow melting systems | district heating
| 4" diameter Liquid to Liquid Models | |||||||||||||||||
| Model Number | Cast Iron Heads [inches] | Dimensions [inches] | Htg. Surf. [sq.ft] |
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| 2 Pass | 4 Pass | 2 Pass | 4 Pass | 2 and 4 Pass | |||||||||||||
| R1 | K1 FNPT | R3 | K2 | R2 | H | D | F | M | E | B | A | L | N1 | N2 | |||
| PW2041 | PW4041 | 2 1/2 | 1 1/2 | 2 3/8 | 1 | 7/8 | 2 7/8 | 4 1/2 | 9 | 5 | 19 1/2 | 3 3/4 | 3 3/4 | 24 1/2 | 1 1/2 NPT | 1 1/2 NPT | 4.7 |
| PW2042 | PW4042 | 2 1/2 | 1 1/2 | 2 3/8 | 1 | 7/8 | 2 7/8 | 4 1/2 | 9 | 5 | 31 1/2 | 3 3/4 | 3 3/4 | 36 1/2 | 1 1/2 NPT | 1 1/2 NPT | 6.9 |
| PW2043 | PW4043 | 2 1/2 | 1 1/2" | 2 3/8 | 1" | 7/8 | 2 7/8 | 4 1/2 | 9 | 5 | 43 1/2 | 3 3/4 | 3 3/4 | 48 1/2 | 1 1/2 NPT | 1 1/2 NPT | 9.1 |
| PW2044 | PW4044 | 2 1/2 | 1 1/2 | 2 3/8 | 1 | 7/8 | 2 7/8 | 4 1/2 | 9 | 5 | 55 1/2 | 3 3/4 | 3 3/4 | 60 1/2 | 1 1/2 NPT | 1 1/2 NPT | 11.3 |
| PW2045 | PW4045 | 2 1/2 | 1 1/2 | 2 3/8 | 1 | 7/8 | 2 7/8 | 4 1/2 | 9 | 5 | 67 1/2 | 3 3/4 | 3 3/4 | 72 1/2 | 1 1/2 NPT | 1 1/2 NPT | 13.6 |
| PW2046 | PW4046 | 2 1/2 | 1 1/2 | 2 3/8 | 1 | 7/8 | 2 7/8 | 4 1/2 | 9 | 5 | 79 1/2 | 3 3/4 | 3 3/4 | 84 1/2 | 1 1/2 NPT | 1 1/2 NPT | 15.8 |
| PW2047 | PW4047 | 2 1/2 | 1 1/2 | 2 3/8 | 1 | 7/8 | 2 7/8 | 4 1/2 | 9 | 5 | 91 1/2 | 3 3/4 | 3 3/4 | 96 1/2 | 1 1/2 NPT | 1 1/2 NPT | 18 |
| PW2048 | PW4048 | 2 1/2 | 1 1/2 | 2 3/8 | 1 | 7/8 | 2 7/8 | 4 1/2 | 9 | 5 | 103 1/2 | 3 3/4 | 3 3/4 | 108 1/2 | 1 1/2 NPT | 1 1/2 NPT | 20.3 |
| PW2049 | PW4049 | 2 1/2 | 1 1/2 | 2 3/8 | 1 | 7/8 | 2 7/8 | 4 1/2 | 9 | 5 | 115 1/2 | 3 3/4 | 3 3/4 | 120 1/2 | 1 1/2 NPT | 1 1/2 NPT | 22.5 |
| P | U-Tube |
| W | Water Type |
| 2 | Number of tube passes |
| 04 | Nomimal shell diameter |
| 1 | Length Indicator |
Please note that all our heat exchangers are available for immediate delivery.
Do you still have questions? We invite you to call or email us today for more information. We'll be happy to provide you with a heat exchanger that matches your specific needs.