HI Delta SS

HD101-HD401

Home / Products / Commercial Water Heating / Hydronic Boilers / HI Delta SS

Reliable, Compact Solution

Raypak’s family of Hi Delta SS Hydronic Boilers (HD101-HD401) feature copper finned tube heat exchangers with cast-iron headers. All indoor and outdoor models have a compact design perfect for small spaces (footprint is less than 6.9 ft for all models).

MODEL SIZES

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- HI Delta SS
  H3-HD101
- Input Rate
  100 MBTU/h
- Thermal Efficiency
  84%
- Indoor & Outdoor
- ASME
- Energy Type
  Gas
- Turndown
  2:1
- Venting
  Category I & III
- Voltage
  120VAC
- 1-Phase
- Max Water Flow
  44 GPM
- HI Delta SS
  H3-HD151
- Input Rate
  150 MBTU/h
- Thermal Efficiency
  84%
- Indoor & Outdoor
- ASME
- Energy Type
  Gas
- Turndown
  2:1
- Venting
  Category I & III
- Voltage
  120VAC
- 1-Phase
- Max Water Flow
  44 GPM
- HI Delta SS
  H3-HD201
- Input Rate
  199 MBTU/h
- Thermal Efficiency
  84%
- Indoor & Outdoor
- ASME
- Energy Type
  Gas
- Turndown
  2:1
- Venting
  Category I & III
- Voltage
  120VAC
- 1-Phase
- Max Water Flow
  44 GPM
- HI Delta SS
  H3-HD251
- Input Rate
  250 MBTU/h
- Thermal Efficiency
  84%
- Indoor & Outdoor
- ASME
- Energy Type
  Gas
- Turndown
  2:1
- Venting
  Category I & III
- Voltage
  120VAC
- 1-Phase
- Max Water Flow
  44 GPM
- HI Delta SS
  H3-HD301
- Input Rate
  299 MBTU/h
- Thermal Efficiency
  84%
- Indoor & Outdoor
- ASME
- Energy Type
  Gas
- Turndown
  2:1
- Venting
  Category I & III
- Voltage
  120VAC
- 1-Phase
- Max Water Flow
  44 GPM
- HI Delta SS
  H3-HD401
- Input Rate
  399 MBTU/h
- Thermal Efficiency
  84%
- Indoor & Outdoor
- ASME
- Energy Type
  Gas
- Turndown
  2:1
- Venting
  Category I & III
- Voltage
  120VAC
- 1-Phase
- Max Water Flow
  44 GPM
- HI Delta SS (Residential)
  H3-HD101R
- Input Rate
  100 MBTU/h
- Thermal Efficiency
  84%
- Indoor & Outdoor
- ASME
- Energy Type
  Gas
- Turndown
  Min 60%
- Venting
  Category I & III
- Voltage
  120VAC
- 1-Phase
- Max Water Flow
  44 GPM
- HI Delta SS (Residential)
  H3-HD151R
- Input Rate
  150 MBTU/h
- Thermal Efficiency
  84%
- Indoor & Outdoor
- ASME
- Energy Type
  Gas
- Turndown
  Min 60%
- Venting
  Category I & III
- Voltage
  120VAC
- 1-Phase
- Max Water Flow
  44 GPM
- HI Delta SS (Residential)
  H3-HD201R
- Input Rate
  199 MBTU/h
- Thermal Efficiency
  84%
- Indoor & Outdoor
- ASME
- Energy Type
  Gas
- Turndown
  Min 60%
- Venting
  Category I & III
- Voltage
  120VAC
- 1-Phase
- Max Water Flow
  44 GPM
- HI Delta SS (Residential)
  H3-HD251R
- Input Rate
  250 MBTU/h
- Thermal Efficiency
  84%
- Indoor & Outdoor
- ASME
- Energy Type
  Gas
- Turndown
  Min 60%
- Venting
  Category I & III
- Voltage
  120VAC
- 1-Phase
- Max Water Flow
  44 GPM
- HI Delta SS (Residential)
  H3-HD301R
- Input Rate
  299 MBTU/h
- Thermal Efficiency
  84%
- Indoor & Outdoor
- ASME
- Energy Type
  Gas
- Turndown
  Min 60%
- Venting
  Category I & III
- Voltage
  120VAC
- 1-Phase
- Max Water Flow
  44 GPM
- HI Delta SS (Residential)
  HD-HD401R
- Input Rate
  399 MBTU/h
- Thermal Efficiency
  84%
- Indoor & Outdoor
- ASME
- Energy Type
  Gas
- Turndown
  Min 60%
- Venting
  Category I & III
- Voltage
  120VAC
- 1-Phase
- Max Water Flow
  44 GPM

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