The best water to air heat exchanger for heating and cooling.
- 1" Sweat connections and manifold.
 - 3 Rows of 3/8” silver brazed copper tubing type L.
 - Stainless steel frame.
 - Rate for 175PSI @ 350F
 
| Model | Capacity (BTU) | 
| 12 x 12" | 55.000 | 
| 12 x 15" | 65.000 | 
| 16 x 16" | 80.000 | 
| 18 x 18" | 120.000 | 
| 18 x 20" | 130.000 | 
| 20 x 20" | 140.000 | 
| 22 x 22" | 170.000 | 
| 22 x 24" | 180.000 | 
Instructions:
- For 3.5-4 Ton Heat Pump: 2 Stacked coils needed.
 - For 5-6 Ton Heat Pump: 3 Stacked coils are needed
 
Note: Water flow should enter in the in counterflow to the air flow of the stacked coils

