Interactive parts diagrams
Hayward Heater Parts & Diagrams
Interactive parts diagrams for Hayward pool and spa heaters, including the Universal H-Series Low NOx, Universal HC Series and older H-Series ED1, ED2, 135K and H100ID models. Pick your heater, click the numbered part, and order the exact replacement.
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Hayward H-Series 135K BTU Heater
H-Series 135K
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Hayward H-Series Electronic Ignition Heater (ED2 Style)
H150 · H200 · H250 · H300 · H350 · H400
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Hayward H-Series H100ID Heater
H100ID
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Hayward H-Series Millivolt / Electronic Heater (ED1 Style)
H150 · H200 · H210 · H250 · H300 · H350 · H400
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Hayward Universal H-Series Low NOx Heater
H150FD · H200FD · H250FD · H300FD · H350FD · H400FD · H500FD
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Hayward Universal HC Series Heater (HDF400 / HDF275)
HDF400 · HDF275
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