This negative pressure H400FD indoor vent adapter vertical kit is designed to use with Universal H-series Low Nox gas heater models H150FD, H200FD, H250FD, H300FD, H350FD, H400FD. Weighs 14-pound.

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This negative pressure H400FD indoor vent adapter vertical kit is designed to use with Universal H-series Low Nox gas heater models H150FD, H200FD, H250FD, H300FD, H350FD, H400FD. Weighs 14-pound.

  • Negative pressure h400fd indoor vent adapter vertical replacement kit
  • Fits hayward universal h-series low nox gas heater models h150fd, h200fd, h250fd, h300fd, h350fd, h400fd
  • Weighs 14-pound
  • Negative pressure h400fd indoor vent adapter vertical replacement kit
  • Fits hayward universal h-series low nox gas heater models h150fd, h200fd, h250fd, h300fd, h350fd, h400fd
  • Weighs 14-pound

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