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806-063 – HFS3-v3.2 PWM valve system for PI engines. (3-5 weeks)
£571.87 – £646.87 Select options This product has multiple variants. The options may be chosen on the product page -
806-065 – HFS4-v3.2 for DI engines. PWM valve. (4-5 weeks)
£683.60 – £758.60 Select options This product has multiple variants. The options may be chosen on the product page -
806-239 – 1600cc Fast Acting Valve for PWM applications
£82.50 Select options This product has multiple variants. The options may be chosen on the product page -
806-239B – 1300cc Fast Acting Valve for PWM-V application
£82.50 Select options This product has multiple variants. The options may be chosen on the product page -
806-249 – 4mm & 6mm 15psi Checkvalve (hosetail only)
£15.60 Select options This product has multiple variants. The options may be chosen on the product page -
806-257 – Inline 100um stainless mesh filter (low pressure use only)
£15.60 Add to basket -
806-258 – In-tank filter (aquamist tank adaptor use)
£5.20 Add to basket -
806-261 – 4 x 2.5mm translucient nylon hose (4 length options)
£1.95 Add to basket -
806-263 – 4x 2.5mm PTFE Hi-temp hose (4 length options)
£4.55 Add to basket -
806-266 – 6 od x 4mm id nylon hose (4 length options)
£2.34 Add to basket -
806-270 – Tank adaptor without filter (for 22mm opening)
£13.00 Add to basket -
806-271 – Tank adaptor filter for 22mm hole (2-4mm wall)
£15.60 Add to basket -
806-276 – 12V 30A Power Relay for water pump harness
£3.69 Add to basket -
806-391-4 – 4mm to M5 compression fitting (qty. discount)
£4.35 Add to basket -
806-393 – 4mm to 1/8 BSP compression fitting (qty. discount)
£6.50 Add to basket -
806-395 – 4mm to Tee compression fitting (qty. discount)
£7.15 Add to basket -
806-396 – 6mm to Tee compression fitting (qty disc.)
£7.50 Add to basket -
806-397 – 6mm to 1/8 BSP compression fitting (qty. discount)
£6.50 Add to basket -
806-3XX – 0.4 to 1.2mm Atomising jet for 4mm hose (R)
£16.39 Select options This product has multiple variants. The options may be chosen on the product page -
806-401 Twin FAV direct port bundle option (800+HP engines)
£503.50 – £700.00 Select options This product has multiple variants. The options may be chosen on the product page -
806-405 – 8-way hex manifold (various configurations)
£49.40 Select options This product has multiple variants. The options may be chosen on the product page -
806-550 – Replacement dash gauge (latest version red/blue)
£148.00 Select options This product has multiple variants. The options may be chosen on the product page -
806-555 – Replacement Flow sensor assembly (latest version)
£84.50 Select options This product has multiple variants. The options may be chosen on the product page -
806-556 – Replacement FAV only for HFS2/3/4 (no bracket)
£82.50 Select options This product has multiple variants. The options may be chosen on the product page -
806-557 – Replacement FAV Tee (1300/1600cc options)
£58.50 Select options This product has multiple variants. The options may be chosen on the product page -
806-558 – 6mm pump inlet/outlet adaptor (sold singlely)
£10.40 Add to basket -
806-559 – Replacement FAV coil for HFS systems (no gasket)
£12.00 Add to basket -
806-560 – Replacement HFS3 WMI controller (latest version)
£135.80 Add to basket -
806-561 – Replacement HFS4 controller (latest version)
£188.00 Add to basket -
806-565 – Replacement Dash gauge cable (RJ48 black hood)
£14.30 Add to basket -
806-566 – Power supply cable for HFS2/3/4 (4-pin Molex type)
£13.00 Add to basket -
806-567 – Replacement Hall-effect Flow sensor cable (yellow)
£42.50 Add to basket -
806-568 – Replacement HFS2/3/4 system User port cable (Green)
£10.00 Add to basket -
806-569 – Replacement HFS2/3/4 FAV cable (Red sleeved)
£13.00 Add to basket -
806-570 – Replacement HFS2/3/4 pump harness (with Blue cable)
£73.00 Add to basket -
806-571 – Replacement HFS3/4 system ECU interface cable (Grey)
£12.00 Add to basket -
806-574 – Replacement fused pump relay for HFS2/3/4.
£8.50 Add to basket -
806-580 – Replacement rubber gasket for tank adaptor
£2.88 Add to basket -
806-581 – Replacement water level sensor for HFS1/2/3/4/5/6
£31.20 Add to basket -
806-582 – Replacement 160psi water pump for HFS/2/3/4/6
£178.60 Add to basket -
806-582L – Replacement 3000cc 160psi water pump for HFS/2/3/4/6
£253.60 Add to basket -
806-583 – Replacement aquatec pump head (160-200 psi)
£67.20 Add to basket -
806-688 – 5L water tank with out bracket (4 options)
£44.32 Select options This product has multiple variants. The options may be chosen on the product page -
806-689 – compact 5L tank with bracket (baffled/drilled)
£62.63 Select options This product has multiple variants. The options may be chosen on the product page -
806-690 – Compact 10L water tank without bracket (3 options)
£59.52 Select options This product has multiple variants. The options may be chosen on the product page -
806-691 – 10L baffled tank with bracket
£104.50 Select options This product has multiple variants. The options may be chosen on the product page -
806-694 – tank remote venting kit (4mm hose x 2m)
£11.05 Add to basket
New Products for 2025:
will be annouced on 1st February
The Forum has re-opened! – click here
We are experiencing shipping delay issues from our international shippers including Fedex, TNT (Fedex), DHL, and UPS. We are unable to deal with them on your behalf and have no additional information other than the tracking number (which all customers are supplied with). We are happy for you to arrange your own shipper.
Systems purchased here will receive full factory technical support for 12 months.
Please note the delivery lead time is 3-5 weeks +bank holidays from date of order on HFS systems
We accept PayPal

We, the manufacturer of the Aquamist systems cannot guarantee next day shipping on orders received. Stock levels vary daily depends on the demands. However, we can guarantee we ship the latest and the greatest. All base prices are set here (pound stirling). Our worldwide resellers’ prices will vary due to exchange rate fluctuations. All prices are in GBP. UK & NI 20% VAT will be added.
USA customers, please contact aquamist.us@gmail.com for replacement parts (mostly in stock) – Orlando joined our technical support team for HFS3/4 from v3.1 on. Earlier, S/H and after-sales matters are not supported.