The Zerostart Circulation Heater 3300037 has a 1/4 inch NPT drain and a 3° tapered, permanent-mold aluminum housing. This model comes with a Thermostat Range C: 120°F ON - 140°F OFF (49°C ON - 60°C OFF).
- Low Watt-Density (replaceable) heating elements (60-105 w/inch2) for long life
- 205°F (96°C) overheat thermostat
- NRTL/C approval (complies with UL/CSA)
- Thermally isolated regulating thermostat (models with t-stat)
- Four-bolt flange for easy element replacement
- 14 gauge SJOW cord (16 in. length - 40.6cm) is abrasion, oil, and grease resistant
- Nylon check valve
- Premium grade tin-plated phosphor bronze blade connections
- 1 inch NPT inlet and outlet
- Part No.: 3300037
- Watt: 2500
- Volt: 240
- Amps: 10.4
- Plug Configuration: (B) - 240 Volt 15 amp. Furnished with standard 240V male plug.