HT-PG Blown HDPE Sand Filter – Top Mounted

฿ 4.998,00฿ 10.998,00

Crystal clear water and an outstanding performance.

Hidrotermal filters are mold blown into one piece of high density polyethylene, safe for the user and surrounding environment. All are equipped with a 6-way multiport valve and a 360º clamp lock, allowing trouble free installation and maintenance.

The High Density Polyethylene formula material we use is both UV-resistant and anti-corrosive making our filters reliable to work in direct sunlight & high PH environments for years of prolonged operation.


  • Hidrotermal’s filter range is designed and manufactured to cater all water solution requirements, domestic & commercial, pool, spa, fountain, waterscape and aquarium.
  • High Density Polyethylene Material; Anti-Corrosive, Safe and Environment Friendly.
  • Unitized Thermal Plastic filter tank; Robust, Durable and suitable for many different weather conditions.
  • Clamp Locking system; 360-degree rotation for simple installation.
  • Compact to save space.
  • Simple, Easy to Use, six position Valve:
  1. Filter (Normal filtration and vacuuming)
  2. Backwash (Reverse Flow Cleanse)
  3. Rinse (Valve flush)
  4. Waste (By passes filter; lower water level, vacuum)
  5. Recirculate (By passes filter; Water circulation)
  6. Close
  • Specially designed drainage system for simple maintenance & ice control in winter.
  • ABS Laterals.
  • Sand media is not included.
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SKU: HT-PG Categories: ,
Model Valve Connection Filter Area Design Flow 0.5-0.8mm
Sand Weight
Tank Volume Valve Volume
HT-PG350 1.5’’/50mm 0.10m2 4.50m3/h-75lpm 25kg 0.06m3 0.02m3
HT-PG400 1.5’’/50mm 0.13m2 6.50m3/h-108lpm 34kg 0.09m3 0.02m3
HT-PG450 1.5’’/50mm 0.16m2 8m3/h-133lpm 50kg 0.15m3 0.02m3
HT-PG500 1.5’’/50mm 0.23m2 11.50m3/h-191lpm 80kg 0.20m3 0.02m3
HT-PG650 1.5’’/50mm 0.32m2 16m3/h-266lpm 160kg 0.32m3 0.02m3
HT-PG700 1.5’’/50mm 0.40m2 20m3/h-333lpm 220kg 0.4 m3 0.02m3

*Maximum Operating Pressure: 36psi/2.5bar (Plastic Clamp).
*Maximum Operating Water Temperature: ≤50ºC/122ºF.

Note: For reference only. Suggested sand weights vary with different filter media sizes.


Part/Model HT-PG350 HT-PG400 HT-PG450 HT-PG500 HT-PG650 HT-PG700
ΦD(mm) 350 410 450 535 635 710
H(mm) 750 770 830 870 970 1040
B(mm) 75 75 75 75 95 95
A(mm) 490 510 570 610 710 780
ΦP(mm) 319 319 390 390 565 565
N(mm) 545 565 625 665 765 835
M(mm) 600 620 680 720 820 890

*Sizes are in mm.

Additional information

Weight N/A
Dimensions N/A

HT-PG350, HT-PG400, HT-PG450, HT-PG500, HT-PG650, HT-PG700