Delta Limited

399B-2339B

Reliable & Cost Efficient

The Delta Limited® series has the same basic design as the Hi Delta® product line with a reduced set of features and options to provide rock-solid heating at reduced cost. It’s simple multi-stage operation is best for reliable performance and easy maintenance.

MODEL SIZES

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    • Delta Limited
      WH1-399B
    • Input Rate
      399 MBTU/h
    • Thermal Efficiency
      85%
    • Indoor & Outdoor
    • ASME
    • Energy Type
      Gas
    • Turndown
      1:1
    • Venting
      Category I & III
    • Voltage
      120VAC
    • 1-Phase
    • Max Water Flow
      90 GPM
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    • Delta Limited
      WH3-499B
    • Input Rate
      500 MBTU/h
    • Thermal Efficiency
      85%
    • Indoor & Outdoor
    • ASME
    • Energy Type
      Gas
    • Turndown
      2:1
    • Venting
      Category I & III
    • Voltage
      120VAC
    • 1-Phase
    • Max Water Flow
      90 GPM
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    • Delta Limited
      WH3-649B
    • Input Rate
      650 MBTU/h
    • Thermal Efficiency
      85%
    • Indoor & Outdoor
    • ASME
    • Energy Type
      Gas
    • Turndown
      2:1
    • Venting
      Category I & III
    • Voltage
      120VAC
    • 1-Phase
    • Max Water Flow
      90 GPM
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    • Delta Limited
      WH3-749B
    • Input Rate
      750 MBTU/h
    • Thermal Efficiency
      85%
    • Indoor & Outdoor
    • ASME
    • Energy Type
      Gas
    • Turndown
      2:1
    • Venting
      Category I & III
    • Voltage
      120VAC
    • 1-Phase
    • Max Water Flow
      90 GPM
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    • Delta Limited
      WH3-899B
    • Input Rate
      900 MBTU/h
    • Thermal Efficiency
      85%
    • Indoor & Outdoor
    • ASME
    • Energy Type
      Gas
    • Turndown
      2:1
    • Venting
      Category I & III
    • Voltage
      120VAC
    • 1-Phase
    • Max Water Flow
      90 GPM
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    • Delta Limited
      WH3-989B
    • Input Rate
      990 MBTU/h
    • Thermal Efficiency
      85%
    • Indoor & Outdoor
    • ASME
    • Energy Type
      Gas
    • Turndown
      2:1
    • Venting
      Category I & III
    • Voltage
      120VAC
    • 1-Phase
    • Max Water Flow
      132 GPM
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    • Delta Limited
      WH8-1259B
    • Input Rate
      1,260 MBTU/h
    • Thermal Efficiency
      85%
    • Indoor & Outdoor
    • ASME
    • Energy Type
      Gas
    • Turndown
      3:1
    • Venting
      Category I & III
    • Voltage
      120VAC
    • 1-Phase
    • Max Water Flow
      132 GPM
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    • Delta Limited
      WH9-1529B
    • Input Rate
      1,530 MBTU/h
    • Thermal Efficiency
      85%
    • Indoor & Outdoor
    • ASME
    • Energy Type
      Gas
    • Turndown
      4:1
    • Venting
      Category I & III
    • Voltage
      120VAC
    • 1-Phase
    • Max Water Flow
      132 GPM
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    • Delta Limited
      WH9-1799B
    • Input Rate
      1,800 MBTU/h
    • Thermal Efficiency
      85%
    • Indoor & Outdoor
    • ASME
    • Energy Type
      Gas
    • Turndown
      4:1
    • Venting
      Category I & III
    • Voltage
      120VAC
    • 1-Phase
    • Max Water Flow
      132 GPM
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    • Delta Limited
      WH9-1999B
    • Input Rate
      1,999 MBTU/h
    • Thermal Efficiency
      85%
    • Indoor & Outdoor
    • ASME
    • Energy Type
      Gas
    • Turndown
      4:1
    • Venting
      Category I & III
    • Voltage
      120VAC
    • 1-Phase
    • Max Water Flow
      132 GPM
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    • Delta Limited
      WH9-2069B
    • Input Rate
      2,072 MBTU/h
    • Thermal Efficiency
      85%
    • Indoor & Outdoor
    • ASME
    • Energy Type
      Gas
    • Turndown
      4:1
    • Venting
      Category I & III
    • Voltage
      120VAC
    • 1-Phase
    • Max Water Flow
      132 GPM
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    • Delta Limited
      WH9-2339B
    • Input Rate
      2,340 MBTU/h
    • Thermal Efficiency
      85%
    • Indoor & Outdoor
    • ASME
    • Energy Type
      Gas
    • Turndown
      4:1
    • Venting
      Category I & III
    • Voltage
      120VAC
    • 1-Phase
    • Max Water Flow
      132 GPM