HW3050 Model Fuel Power Cost/Unit   Inlet Gas Pressure Maximum PSI Minimum PSI HW3050-1 Natural gas 240v 1phase $9,050.00     250 lbs. 5 lbs. HW3050-2 Natural gas 240v 3phase $9,050.00         HW3050-3 Natural gas 480v 3phase $9,050.00         HW3050-4 Propane 240v 1phase $9,050.00         HW3050-5 Propane 240v 3phase $9,050.00   S&H HW3050-6 Propane 480v 3phase $9,050.00   $400.00/ unit     HW3050-7 Liquid propane 240v 1phase $9,700.00         HW3050-8 Liquid propane 240v 3phase $9,700.00         HW3050-9 Liquid propane 480v 3phase $9,700.00         Gas regulator included
		HW3050 > Safe fuel shutdown if combustion air is interrupted > Direct wire with easy, safe 100% power shut off > Low housing temperature > Indoor / outdoor use > Safe monitoring of combustion, two trial > electronic ignition with 20 second pre-purge > time delay & 7 second shutdown > Protects heater by shutting down if voltage is too low > Automatically cycles the heater HI/ LO to > maintain temputure > Easy monitoring of control voltage to ensure > trouble free operation > Protects heater by shutting down if unit is being > overfire > Helps in diagnosing specific gas flow problems