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Hayward Differential Pressure Switch HDF400 (HDXFDPS400)
Heater parts

Hayward Differential Pressure Switch HDF400 (HDXFDPS400)

Brand: HaywardPart #: HDXFDPS400

$78.99 + $10.99 shipping

Igniters, flame sensors, pressure switches, high-limit switches, thermistors, control boards and gaskets for gas pool heaters. Fits Hayward.

  • Shipping: $10.99. Other items from the same warehouse ride along in the same package for one shipping charge, and the package ships free once those items reach $150.
  • Ships direct from our supplier partner to the contiguous US (no AK, HI or PR), usually within 1–2 business days, with tracking by email.
  • Final sale. Electrical parts can't be returned unless they arrive damaged, defective or not what you ordered. Returns policy.
  • Questions before you buy? Email [email protected] or ask our AI helper.

About this heater part

Hayward Differential Pressure Switch HDF400 (HDXFDPS400). Igniters, flame sensors, pressure switches, high-limit switches, thermistors, control boards and gaskets for gas pool heaters. Fits Hayward.

Igniters, flame sensors, pressure switches, high-limit switches, thermistors, control boards and gaskets for gas pool heaters. Match the heater brand, model and size (BTU) on the rating plate. Gas and electrical work should be done by someone qualified; see the heater-won't-fire guide for what to check first.

Specs & compatibility

Brand
Hayward
Part number
HDXFDPS400
Cross-reference / replaces
HDF400
Fits brands
Hayward

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