$54.99 Rheem Commercial Heavy-Duty 120 Gal. 208-Volt 45 kW 3 Phase Electric ASME Immersion Thermostat 
RHEEM-RUUD EGSP30-C 30 gal., 208 VAC, 28.8 A Amps, Commercial Electric Water Heater - Walmart 
RHEEM-RUUD EGSP20 120V Commercial Water Heater, 19.9 gal., 120VAC - Newegg.com
