Hayward Universal H-Series Asme Natural Gas Heater 400K BTU H400FDNASME Parts & Diagram

Replacement parts and exploded parts diagram for the Hayward Universal H-Series Asme Natural Gas Heater 400K BTU (model H400FDNASME). Find the part on the diagram, then look for the same number (#) next to each part in the Available Parts list and add the parts you need to your cart.

Parts marked Alternate are compatible replacements from other manufacturers.

Other Parts on This Diagram

These parts are not listed for online purchase. Contact us with the diagram number and part number to order.

  • #1 – FDXLJKT1400 – Jacket Top - H400FD
  • #1 – FDXLJKT1400A – Jacket Top, gray, Asme - h400FD
  • #2 – FDXLTFC1400 – Top Flue Cover - H400FD
  • #2 – FDXLTFC1400A – Top Flue Cover, Gray, Asme - H400FD
  • #3 – FDXLFAD1400 – Front Access Door Assy - H400FD
  • #3 – FDXLFAD1400A – Front Access Door, Gray Asme - H400FD
  • #4 – FDXLRAD1400 – Rear Access Door Assy - H400FD
  • #4 – FDXLRAD1400A – Rear Access Door Assy, Gray Asme - H400FD
  • #5 – FDXLTFP1401A – Top Front Panel, Gray, Asme - H400FD
  • #6 – FDXLUEC1930 – (Upper End Cap)
  • #7 – FDXLLEC1930 – (Lower End Cap)
  • #8 – FDXLLTP1930 – (Left Trim Panel)
  • #9 – FDXLRTP1930 – (Right Trim Panel)
  • #11 – FDXLPBL1930 – (Base Leg)
  • #13 – FDXLRGK1401 – (Rain Guard Assembly)
  • #14 – FDXLHBP1400 – (Heat Barrier Panel)
  • #15 – FDXLBBN1400 – (Blower Inlet Baffle)
  • #16 – FDXLIAC1930 – (Igniter Access Cover)
  • #17 – FDXLGSV0001 – (Gas Valve, Natural)
  • #18 – FDXLBON1930 – (Burner Orifice Kit, Natural)
  • #19 – FDXLMAN1400 – (Gas Manifold)
  • #19 – FDXLGCK1400NP – (Conversion Kit, NA to LP, Quick-Change)
  • #28 – FDXLBKP1931 – (Bezel & Keypad Assembly, Blue, ASME)
  • #28 – FDXLGSK1932 – (Gasket, Bezel/Top)
  • #31 – FDXLGSK1934 – (Gasket, CC Front/Air Box)
  • #34 – FDXLHDW1930 – (Header Hardware Kit)
  • #35 – FDXLHMB1930 – (Header Mounting Base Kit)
  • #37 – CHXPLG1930 – (3/4" Brass Plug)
  • #39 – SPX4000FG – 1/4" Drain Plug With O-Ring (Drain Plug with Gasket)
  • #42 – cHXRLV1930 – (Pressure Relief Valve)

Please confirm your model number matches your existing equipment before ordering.

GTIN:
SKU: DIAGRAM-H400FDNASME
Brand: Hayward
Price range $7.20 - $3,299.00
Tax and shipping are calculated at checkout.

Available Parts & Components

  • Hayward Top & Front Panel 400K Fd Series - FDXLTFP1401

    Hayward Top & Front Panel 400K Fd Series - FDXLTFP1401

    SKU: FDXLTFP1401
    Out of stock
    View product
    $148.33
  • Hayward Flue Collector Side Panel Kit with High Limit - FDXLFCS1931

    Hayward Flue Collector Side Panel Kit with High Limit - FDXLFCS1931

    SKU: FDXLFCS1931
    View product
    $68.84
  • Hayward FD Replaces FDXLGSV0001 Natural Gas Valve - FDXLGSV0003

    Hayward FD Replaces FDXLGSV0001 Natural Gas Valve - FDXLGSV0003

    SKU: FDXLGSV0003
    View product
    $375.00
  • Hayward H400 FD Series Natural Gas to Propane Gas Conversion Kit - FDXLGCKW400NP

    Hayward H400 FD Series Natural Gas to Propane Gas Conversion Kit - FDXLGCKW400NP

    SKU: FDXLGCKW400NP
    View product
    $239.00
  • Hayward Combustion Blower Fits Universal H-Series - FDXLBWR1930

    Hayward Combustion Blower Fits Universal H-Series - FDXLBWR1930

    SKU: FDXLBWR1930
    View product
    $245.00
  • Hayward Blower Vacuum Switch - FDXLBVS1930

    Hayward Blower Vacuum Switch - FDXLBVS1930

    SKU: FDXLBVS1930
    View product
    $45.00
  • Hayward Integrated Control Board Universal H-Series LOW NOX - FDXLICB1930

    Hayward Integrated Control Board Universal H-Series LOW NOX - FDXLICB1930

    SKU: FDXLICB1930
    View product
    $349.00
  • Hayward Field Wiring Panel - FDXLFWP1930

    Hayward Field Wiring Panel - FDXLFWP1930

    SKU: FDXLFWP1930
    View product
    $89.00
  • Hayward H-Series Ignitor - FDXLIGN1930

    Hayward H-Series Ignitor - FDXLIGN1930

    SKU: FDXLIGN1930
    View product
    $129.00
  • Hayward H-Series Flame Sensor - IDXLFLS1930

    Hayward H-Series Flame Sensor - IDXLFLS1930

    SKU: IDXLFLS1930
    View product
    $79.00
  • Hayward Gas Transformer - IDXL2TRF1930

    Hayward Gas Transformer - IDXL2TRF1930

    SKU: IDXL2TRF1930
    View product
    $149.00
  • Hayward Water Pressure Switch Fits Universal H-Series - FDXLWPS1930

    Hayward Water Pressure Switch Fits Universal H-Series - FDXLWPS1930

    SKU: FDXLWPS1930
    View product
    $49.00
  • Hayward Display Board Bezel Assembly - IDXL2DB1930

    Hayward Display Board Bezel Assembly - IDXL2DB1930

    SKU: IDXL2DB1930
    View product
    $319.00
  • Hayward High Limit Switch Kit Fits Universal H-Series - FDXLHLI1930

    Hayward High Limit Switch Kit Fits Universal H-Series - FDXLHLI1930

    SKU: FDXLHLI1930
    View product
    $75.00
  • Hayward Thermistor Fits Universal H-Series - FDXLTER1930

    Hayward Thermistor Fits Universal H-Series - FDXLTER1930

    SKU: FDXLTER1930
    View product
    $49.00
  • Hayward Heat Exchanger H400FD Heater - FDXLHXA1400

    Hayward Heat Exchanger H400FD Heater - FDXLHXA1400

    SKU: FDXLHXA1400
    View product
    $1,398.00
  • Hayward Heat Exchanger H400FD Heater ASME - FDXLHXA1400A

    Hayward Heat Exchanger H400FD Heater ASME - FDXLHXA1400A

    SKU: FDXLHXA1400A
    Out of stock
    View product
    $3,299.00
  • Hayward Header Assembly Fits Universal H-Series - FDXLFHA1930

    Hayward Header Assembly Fits Universal H-Series - FDXLFHA1930

    SKU: FDXLFHA1930
    View product
    $249.00
  • Hayward Bezel Plus Keypad Fits Universal H-Series - FDXLBKP1930

    Hayward Bezel Plus Keypad Fits Universal H-Series - FDXLBKP1930

    SKU: FDXLBKP1930
    View product
    $109.00
  • Aladdin O-Ring Blu/dby/hay/pac/sta/sau - O-25-9

    Aladdin O-Ring Blu/dby/hay/pac/sta/sau - O-25-9

    SKU: O-25-9
    View product
    $7.20
  • Pentair Water Pool and Spa Inc Air Bleeder Adapter O-Ring Triton II - 154661Z

    Pentair Water Pool and Spa Inc Air Bleeder Adapter O-Ring Triton II - 154661Z

    SKU: 154661Z
    View product
    $13.95
  • Hayward H-Series FD Heater Polymer Return Manifold Kit - FDXLPRM1930

    Hayward H-Series FD Heater Polymer Return Manifold Kit - FDXLPRM1930

    SKU: FDXLPRM1930
    View product
    $83.02
  • Hayward Drain Valve Kit Asme - FDXLDRV1930A

    Hayward Drain Valve Kit Asme - FDXLDRV1930A

    SKU: FDXLDRV1930A
    View product
    $43.55
Subtotal $0.00
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Section title

Replacement parts and exploded parts diagram for the Hayward Universal H-Series Asme Natural Gas Heater 400K BTU (model H400FDNASME). Find the part on the diagram, then look for the same number (#) next to each part in the Available Parts list and add the parts you need to your cart.

Parts marked Alternate are compatible replacements from other manufacturers.

Other Parts on This Diagram

These parts are not listed for online purchase. Contact us with the diagram number and part number to order.

  • #1 – FDXLJKT1400 – Jacket Top - H400FD
  • #1 – FDXLJKT1400A – Jacket Top, gray, Asme - h400FD
  • #2 – FDXLTFC1400 – Top Flue Cover - H400FD
  • #2 – FDXLTFC1400A – Top Flue Cover, Gray, Asme - H400FD
  • #3 – FDXLFAD1400 – Front Access Door Assy - H400FD
  • #3 – FDXLFAD1400A – Front Access Door, Gray Asme - H400FD
  • #4 – FDXLRAD1400 – Rear Access Door Assy - H400FD
  • #4 – FDXLRAD1400A – Rear Access Door Assy, Gray Asme - H400FD
  • #5 – FDXLTFP1401A – Top Front Panel, Gray, Asme - H400FD
  • #6 – FDXLUEC1930 – (Upper End Cap)
  • #7 – FDXLLEC1930 – (Lower End Cap)
  • #8 – FDXLLTP1930 – (Left Trim Panel)
  • #9 – FDXLRTP1930 – (Right Trim Panel)
  • #11 – FDXLPBL1930 – (Base Leg)
  • #13 – FDXLRGK1401 – (Rain Guard Assembly)
  • #14 – FDXLHBP1400 – (Heat Barrier Panel)
  • #15 – FDXLBBN1400 – (Blower Inlet Baffle)
  • #16 – FDXLIAC1930 – (Igniter Access Cover)
  • #17 – FDXLGSV0001 – (Gas Valve, Natural)
  • #18 – FDXLBON1930 – (Burner Orifice Kit, Natural)
  • #19 – FDXLMAN1400 – (Gas Manifold)
  • #19 – FDXLGCK1400NP – (Conversion Kit, NA to LP, Quick-Change)
  • #28 – FDXLBKP1931 – (Bezel & Keypad Assembly, Blue, ASME)
  • #28 – FDXLGSK1932 – (Gasket, Bezel/Top)
  • #31 – FDXLGSK1934 – (Gasket, CC Front/Air Box)
  • #34 – FDXLHDW1930 – (Header Hardware Kit)
  • #35 – FDXLHMB1930 – (Header Mounting Base Kit)
  • #37 – CHXPLG1930 – (3/4" Brass Plug)
  • #39 – SPX4000FG – 1/4" Drain Plug With O-Ring (Drain Plug with Gasket)
  • #42 – cHXRLV1930 – (Pressure Relief Valve)

Please confirm your model number matches your existing equipment before ordering.

Key Features

  • Exploded parts diagram for the Hayward Universal H-Series Asme Natural Gas Heater 400K BTU (model H400FDNASME)
  • 23 replacement parts available to order online
  • Diagram number shown next to every part for easy matching
  • Genuine Hayward parts plus compatible alternates
  • Add multiple parts to your cart at once