- 1 1/4" FNPT Shell (Boiler) Side, 2" PVC Slip Union Tube (Pool) Side
- Removable cupro nickel tube bundle heat transfer surface
- Integrated Thermostat Pocket
- Shell made of cast iron
- Tube side operating pressure 43.5 PSIG
- Shell side operating pressure 43.5 PSIG
- Operating temperature up to 120°C
- Heat exchanger surface made of cupro nickel
- Nominal heating capacities up to 400,000 btu/hr for pool applications (Up to a 40,000 gallon pool at a 1°F/hr heat up rate)
- Eliminates the need for external bypass as the whole pool flow goes through the heat exchanger
- Diameter: 4.25 in., Overall Length: 22.44 in.

*Highly recommended for use in saltwater swimming pools

Covered by a Limited Lifetime Warranty against manufacturers defects 

For technical documents click the link below