• Natural gas or LP fired
  • 115 volt burner
  • High fuel efficiency
  • Exclusive cold water wrap
  • Spiral design heat exchanger in schedule 40 or schedule 80 ratings
  • Draft diverter
  • Adjustable thermostat
  • High limit temperature control
  • Flow switch
  • 110 volt burner
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Item #

Coil Type

Coil Inner Diameter

BTU Rating

Weight

401-NG-UL N/A Schedule 40 N/A 168-1/2 in N/A 320000 N/A 260 lb
411-NG-UL N/A Horizontal Schedule 80 N/A 168-1/2 in N/A 320000 N/A 400 lb
501-NG-UL N/A Schedule 40 N/A 250-1/2 in N/A 440000 N/A 375 lb
511-NG-UL N/A Horizontal Schedule 80 N/A 250-1/2 in N/A 440000 N/A 425 lb
761-NG-UL N/A Horizontal Schedule 80 N/A 420-1/2 in N/A 660000 N/A 725 lb
1011 NG-UL N/A Horizontal Schedule 80 N/A 483-3/4 in N/A 720000 N/A 1095 lb
401-LP-UL N/A Schedule 40 N/A 168-1/2 in N/A 320000 N/A 260 lb
411-LP-UL N/A Horizontal Schedule 80 N/A 168-1/2 in N/A 320000 N/A 400 lb
501-LP-UL N/A Schedule 40 N/A 250-1/2 in N/A 440000 N/A 375 lb
511-LP-UL N/A Horizontal Schedule 80 N/A 250-1/2 in N/A 440000 N/A 425 lb
761-LP-UL N/A Horizontal Schedule 80 N/A 420-1/2 in N/A 660000 N/A 725 lb
1011-LP-UL N/A Horizontal Schedule 80 N/A 483-3/4 in N/A 920000 N/A 1095 lb
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