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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Product Review

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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