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.

Expert Support
Secure Checkout
Quality Guaranteed
Fast Shipping 3-5 Days
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