Aqua Hot/Hydro Hot Combustion Chamber Free “Expedited Shipping” Anywhere in Canada. SKU: WPX-265-53A Category: Aqua Hot Parts Description Description Aqua Hot OEM replacement part. Replacement is required when air swirler becomes disfigured due to heat or cracking on formed edge of tube reaches 1.5″ in height. Related products Sale! Aqua Hot/Hydro Hot Gar-Ber R Spin-On Fuel Filter w/Bracket Aqua Hot/Hydro Hot Fuel Filter – Racor Spin-On R12T Aqua Hot/Hydro Hot Century Transfer Fluid (Pink) – 1 Gallon Aqua Hot/Hydro Hydro Hot Fuel Nozzle .35 Gallon