The HWP - IV Water Purifier is designed for efficient water purification, featuring a large LED display that shows all running states and parameters. It includes automatic RO membrane cleaning, high/low pressure protection, and alarm functions for water quality, low water, full water, and consumable life ending, along with automatic diagnosis.

Key Features — HWP-IV

Large LED display, show all the running state and parameters.
RO membrane clean automatically.
High/Low pressure protection.
Alarm function: Water quality, no water, full water, consumables life ending.
Automatic diagnosis.

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Model-specific documentation

Documents for HWP-IV

Check the covered model, language and document status before use. The manual supplied with the actual unit remains the controlling reference.

Product datasheet · English

HWP-IV Water Purifier product datasheet

Public PDF

HQS datasheet for the HWP-IV: product overview, features and the technical specifications published for this model. Confirm the ordered configuration in your quotation.

Product overview
Features
Technical specifications

Covered model: HWP-IV
Length: 2 pages
File: PDF · 203 KB
Web copy prepared: 2026-09-25

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Water Purifier Specifications

MODEL	HWP - IV 45	HWP - IV 63	HWP - IV 94	HWP - IV 125
W ater Output Type	R O water	RO water	RO water	RO water
W ater Output Speed	45L/H	63L/H	94L/H	125L/H
Flow procedure	PF+AC+AC+RO	PF+AC+AC+RO	PF+AC+AC+RO	PF+AC+AC+RO
Water Supply Requirement	T ap water: TDS<200 ppm, 5~45° C, 1.0 - 4.0Kgf/cm2 (if TDS>200ppm, extra pretreatment filter is recommended)	T ap water: TDS<200 ppm, 5~45° C, 1.0 - 4.0Kgf/cm2 (if TDS>200ppm, extra pretreatment filter is recommended)	T ap water: TDS<200 ppm, 5~45° C, 1.0 - 4.0Kgf/cm2 (if TDS>200ppm, extra pretreatment filter is recommended)	T ap water: TDS<200 ppm, 5~45° C, 1.0 - 4.0Kgf/cm2 (if TDS>200ppm, extra pretreatment filter is recommended)
Purificatio n system Pretreatment unit	20" PP filter× 1+20" granular active carbon filter× 1+20" active carbon block filter× 1	20" PP filter× 1+20" granular active carbon filter× 1+20" active carbon block filter× 1	20" PP filter× 1+20" granular active carbon filter× 1+20" active carbon block filter× 1	20" PP filter× 1+20" granular active carbon filter× 1+20" active carbon block filter× 1
RO unit	300 GPD RO membrane× 1	400 GPD RO membrane× 1	600 GPD RO membrane× 1	400 GPD RO membrane× 2
Pure water quality Ion rejection rate	97%~99% (New RO membrane)	97%~99% (New RO membrane)	97%~99% (New RO membrane)	97%~99% (New RO membrane)
Organic rejection rate	＞ 99%,when MW ＞ 200 Dalton	＞ 99%,when MW ＞ 200 Dalton	＞ 99%,when MW ＞ 200 Dalton	＞ 99%,when MW ＞ 200 Dalton
Particles and bacteria rejection rate	＞99%	＞99%	＞99%	＞99%
Bacteria	<0.01cfu/ml (with optional 0.2 μ m PES terminal filter)	<0.01cfu/ml (with optional 0.2 μ m PES terminal filter)	<0.01cfu/ml (with optional 0.2 μ m PES terminal filter)	<0.01cfu/ml (with optional 0.2 μ m PES terminal filter)
Particles (＞0.2 μm)	<1/ml (with optional 0.2 μ m PES terminal filter)	<1/ml (with optional 0.2 μ m PES terminal filter)	<1/ml (with optional 0.2 μ m PES terminal filter)	<1/ml (with optional 0.2 μ m PES terminal filter)
Water Quality Monitor	TDS/conductivity test pen	TDS/conductivity test pen	TDS/conductivity test pen	TDS/conductivity test pen
Consumption	120W	240W	240W	240W
Power supply	AC220V,50/60Hz(Standard);AC110V,60HZ(Optional)	AC220V,50/60Hz(Standard);AC110V,60HZ(Optional)	AC220V,50/60Hz(Standard);AC110V,60HZ(Optional)	AC220V,50/60Hz(Standard);AC110V,60HZ(Optional)
External Size (H× W× D)	6405401110mm	6405401110mm	6405401110mm	6405401110mm
Package size (H× W× D)	6507501280mm	6507501280mm	6507501280mm	6507501280mm
W e ight	90kg	90kg	90kg	90kg

Compare models in this series

Differences below are taken from the specifications published for each model. Confirm the final configuration in your quotation.

This model belongs to the HWP-V series. The series overview lists every model side by side. Open series overview

Parameter	HWP-I	HWP-II	HWP-III	HWP-IVThis model	HWP-V
W ater Output Type	RO water outlet1 and DI water outlet1 / RO water outlet1 and DI water outlet1	RO Water / RO Water	RO and DI Water / RO and DI Water	R O water / RO water / RO water / RO water	RO and DI water / RO and DI water / RO and DI water / RO and DI water
W ater Output Speed	10 L/H / 15 L/H	15L/H / 30L/H	15L/H / 30L/H	45L/H / 63L/H / 94L/H / 125L/H	45L/H / 63L/H / 94L/H / 125L/H
Flow procedure	—	—	—	PF+AC+AC+RO / PF+AC+AC+RO / PF+AC+AC+RO / PF+AC+AC+RO	PF+AC+AC+RO+DI+TF / PF+AC+AC+RO+DI+TF / PF+AC+AC+RO+DI+TF / PF+AC+AC+RO+DI+TF
Water Supply Requirement	When working, the inlet water pressure is 0.1 - 0.3Mpa, and the water quality meets the requirements of GB5749,15 - 35 ° C / When working, the inlet water pressure is 0.1 - 0.3Mpa, and the water quality meets the requirements of GB5749,15 - 35 ° C	Tap water:TDS<200 ppm,5~45° C,1.0 - 4.0kg/c / Tap water:TDS<200 ppm,5~45° C,1.0 - 4.0kg/c	Tap water:TDS<200 ppm,5~45° C,1.0 - 4.0kgf/cm2 (If inlet TDS ＞ 200 ppm ,extra pretreatment filter is recommended) / Tap water:TDS<200 ppm,5~45° C,1.0 - 4.0kgf/cm2 (If inlet TDS ＞ 200 ppm ,extra pretreatment filter is recommended)	T ap water: TDS 200ppm, extra pretreatment filter is recommended) / T ap water: TDS 200ppm, extra pretreatment filter is recommended) / T ap water: TDS 200ppm, extra pretreatment filter is recommended) / T ap water: TDS 200ppm, extra pretreatment filter is recommended)	Tap water: TDS 200ppm, extra pretreatment filter is recommended) / Tap water: TDS 200ppm, extra pretreatment filter is recommended) / Tap water: TDS 200ppm, extra pretreatment filter is recommended) / Tap water: TDS 200ppm, extra pretreatment filter is recommended)
Purificatio n system Pretreatment unit	—	PP filter× 1 + PP cotton filter× 1 / PP filter× 1 + PP cotton filter× 1	—	20" PP filter× 1+20" granular active carbon filter× 1+20" active carbon block filter× 1 / 20" PP filter× 1+20" granular active carbon filter× 1+20" active carbon block filter× 1 / 20" PP filter× 1+20" granular active carbon filter× 1+20" active carbon block filter× 1 / 20" PP filter× 1+20" granular active carbon filter× 1+20" active carbon block filter× 1	20" PP filter× 1+20" granular active carbon filter× 1+20" active carbon block filter× 1 / 20" PP filter× 1+20" granular active carbon filter× 1+20" active carbon block filter× 1 / 20" PP filter× 1+20" granular active carbon filter× 1+20" active carbon block filter× 1 / 20" PP filter× 1+20" granular active carbon filter× 1+20" active carbon block filter× 1
RO unit	—	100GPD RO membrane× 1 / 200GPD RO membrane× 1	—	300 GPD RO membrane× 1 / 400 GPD RO membrane× 1 / 600 GPD RO membrane× 1 / 400 GPD RO membrane× 2	300 GPD RO membrane× 1 / 400 GPD RO membrane× 1 / 600 GPD RO membrane× 1 / 400 GPD RO membrane× 2
Pure water quality Ion rejection rate	—	97%~99% (New RO membrane) / 97%~99% (New RO membrane)	—	97%~99% (New RO membrane) / 97%~99% (New RO membrane) / 97%~99% (New RO membrane) / 97%~99% (New RO membrane)	—
Organic rejection rate	—	99%,when MW ＞ 200 Dalton / 99%,when MW ＞ 200 Dalton	—	＞ 99%,when MW ＞ 200 Dalton / ＞ 99%,when MW ＞ 200 Dalton / ＞ 99%,when MW ＞ 200 Dalton / ＞ 99%,when MW ＞ 200 Dalton	—
Bacteria	—	<0.1cfu (with optional 0.45+0.1 μ m PES terminal filter) / <0.1cfu (with optional 0.45+0.1 μ m PES terminal filter)	—	<0.01cfu/ml (with optional 0.2 μ m PES terminal filter) / <0.01cfu/ml (with optional 0.2 μ m PES terminal filter) / <0.01cfu/ml (with optional 0.2 μ m PES terminal filter) / <0.01cfu/ml (with optional 0.2 μ m PES terminal filter)	—
Water Quality Monitor	—	—	TDS/conductivity test pen / TDS/conductivity test pen	TDS/conductivity test pen / TDS/conductivity test pen / TDS/conductivity test pen / TDS/conductivity test pen	—
Consumption	46W / 46W	—	72W / 72W	120W / 240W / 240W / 240W	120W / 240W / 240W / 240W
Power supply	AC220 V± 10%,50Hz ± 10% / AC220 V± 10%,50Hz ± 10%	AC220V,50/60Hz(Standard);AC110V,60HZ(Optional) / AC220V,50/60Hz(Standard);AC110V,60HZ(Optional)	AC220V,50/60Hz(Standard) / AC220V,50/60Hz(Standard)	AC220V,50/60Hz(Standard);AC110V,60HZ(Optional) / AC220V,50/60Hz(Standard);AC110V,60HZ(Optional) / AC220V,50/60Hz(Standard);AC110V,60HZ(Optional) / AC220V,50/60Hz(Standard);AC110V,60HZ(Optional)	AC220V, 50/60Hz(Standard) / AC220V, 50/60Hz(Standard) / AC220V, 50/60Hz(Standard) / AC220V, 50/60Hz(Standard)
External Size (H× W× D)	—	410220420mm / 410220420mm	410220420mm / 410220420mm	6405401110mm / 6405401110mm / 6405401110mm / 6405401110mm	6405401110mm / 6405401110mm / 6405401110mm / 6405401110mm
Package size (H× W× D)	—	600490580mm / 600490580mm	600490580mm / 600490580mm	6507501280mm / 6507501280mm / 6507501280mm / 6507501280mm	6507501280mm / 6507501280mm / 6507501280mm / 6507501280mm
W e ight	—	35kg / 35kg	—	90kg / 90kg / 90kg / 90kg	90kg / 90kg / 90kg / 90kg
Purifying P rocedure	PF+AC+RO+DI / PF+AC+RO+DI	PF+AC+RO+ AC / PF+AC+RO+ AC	PF+AC+RO+DI / PF+AC+RO+DI	—	—

Configuration

Main body (include 1 set of purification column)
2 built-in 15L water tank
Accessory pack

Options & accessories

0.2 μ m PES terminal filter
TDS meter, Online resistivity monitor
AC110V,60HZ Power supply

Warranty and after-sales service for HWP-IV

How HQS handles warranty, spare parts and repairs for this model.

Warranty period: The main-unit warranty varies by model and order. The period that applies is stated in your quotation and order confirmation; please confirm it before purchase.
What is covered: A malfunction caused by a manufacturing or quality defect within the warranty period is repaired free of charge. Consumables and accessories, damage from misuse, and units with an altered or removed serial label are not covered by the main-unit warranty.
Spare parts: Spare parts and technical support are available for at least eight years from the date HQS ships the product.
Response time: Service requests get a first reply within one business day. Please send the serial number, model, main-unit version and a description of the problem.
Repairs in warranty: If a confirmed warranty fault needs a replacement part, HQS ships the part at its own expense, and the faulty part is returned to HQS.
Repairs after warranty: HQS sends a cost-based quotation and proforma invoice first. Repaired parts are tested before they are returned. Technical help by email or phone is free.

Full warranty and service terms →