Standard Equipment

• Explosion proof electrical enclosure rated for operation in a Class 1, Division 1 & 2, Groups B, C, D; Class 2, Division 1 & 2 Groups E, F, G; Class 3, Division 1 & 2; NEMA 4, 7BCD, 9; UL and CSA listed for hazardous area locations.
• Heavy Duty 1/2" thick Hydrastone cement lined storage tank for long service life
• Non-ferrous solid copper-silicon tank openings
• Built-in heat trap to improve operating efficiency
• Incoloy sheathed immersion heating elements
• Magnetic contactor (3 F only)
• Adjustable temperature controller (110-170^oF)
• 2" Polyurethane foam insulation for minimum standby heat loss
• High impact colorized composite protective jacket
• ASME rated combination temperature and pressure relief valve set at 150 psi, 210^oF
• 3/4" Male NPT inlet and outlet connections (except 45, 54, and 58 KW models which have 11/2 " Male NPT)

Optional Equipment

1. Solid copper-silicon tank (ASTM SB-96) for maximum tank life
2. 11/2" Male NPT brass inlet/outlet water connections (if not standard)
3. Type 316L Stainless Steel tank construction
4. Low water cut out to disengage electrically the heating element in the event of no/low water in the storage tank.
5. Integrally welded seismic attachment points