Wholesale Household Water Purifier Pressure Gauge Factory, Manufacturers

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Product Introduction

Precision instrumentation engineered for household water purifier pressure gauge applications

The Household Water Purifier Pressure Gauge is designed around the everyday reality of a home water treatment system: a compact cabinet under the kitchen sink, limited space for fittings, and a user who is not a plumber and simply wants to know whether the filter needs changing. A small, easy-to-read dial mounted on the pre-filter housing or the purifier inlet line turns an invisible variable — line pressure — into an obvious status indicator that supports timely cartridge replacement rather than guesswork based on a calendar.

The gauge covers a low, tightly focused range, typically 0 to 1.0 MPa, which matches municipal tap water pressure entering a domestic property. A brass or stainless steel Bourdon tube with lead-free wetted surfaces keeps drinking-water contact materials appropriate for potable service, while the compact 40mm case and 1/4-inch connection are sized for the tight tube-and-fitting layouts of consumer purifier cabinets rather than industrial pipework.

Every unit is assembled in our 100,000-level clean workshop, where wetted parts are cleaned to remove machining oil and particulate before the movement is sealed, since residue carried into a drinking-water circuit would be unacceptable in a consumer appliance. Calibration records and cleaning batch numbers are logged in our Advanced MES digital tracking system against each serial number, giving purifier brands the traceability they need for their own product quality files.

For purifier manufacturers, the gauge is offered with a color-banded dial — green for normal supply pressure, amber for a declining reading that suggests cartridge loading, and red for critically low or excessive pressure — so the appliance can communicate filter status without any electronics, batteries, or app. Custom dial printing lets brands add their logo and the exact pressure thresholds recommended for their own cartridge design.

Core Advantages

Engineered for reliability where it matters most

40mm

Compact Case Diameter

0–1.0 MPa

Domestic Tap Water Range

Lead-Free

Potable-Service Wetted Parts

Visual Filter-Change Indicator — Falling inlet or outlet pressure shows cartridge loading before flow at the tap noticeably weakens
Lead-Free Wetted Surfaces — Brass and stainless steel wetted parts selected for drinking-water contact in consumer appliances
Under-Sink Compact Footprint — 40mm case and 1/4-inch connection fit the tight layouts of consumer purifier cabinets
Color-Banded Dial Option — Green, amber, and red zones let non-technical users read filter status with no electronics or app
Cleaned Before Sealing — Wetted parts are degreased and particle-cleaned so no machining residue enters the drinking water circuit
MES Traced Production — Serial-linked quality data from raw material to shipment for full after-sale traceability

Specifications

Standard technical parameters

Dial Size	40mm (1.5") compact case
Accuracy Class	Class 2.5 Full Scale
Pressure Range	0-1.0 MPa (0-10 Bar), 0-1.6 MPa optional
Bourdon Tube	Lead-Free Brass or 304 Stainless Steel
Connection	1/4" NPT/BSPT or 1/4" Push-to-Connect Adapter
Connection Position	Back Entry (standard) or Bottom Entry
Case Material	ABS Plastic or Chrome-Plated Brass
Dial Options	Color-Banded Zones, Custom Logo Printing
Media	Potable Water, 0-50°C
Ambient Temperature	0°C to +60°C

Technical Summary

Order & production details

MOQ	2000 Pieces (Standard Range OEM Models)
Lead Time	15-20 Days (custom dial printing may extend timeline)
Packaging	Bulk tray packing for purifier assembly lines; retail boxes for spare-part kits
Certifications	ISO9001:2015, CE, RoHS Compliant, Lead-Free Material Declaration
Raw Materials	Lead-Free Brass, 304 SS, ABS Case Compound
Customization	Dial zones, logo, connection type, case color
Port of Export	Ningbo / Shanghai
Payment Terms	T/T, L/C at Sight, Western Union

Our Partners

Trusted by leading brands worldwide

Industrial Applications

Where household water purifier pressure gauge performance is mission-critical

Under-Sink Water Purifier Cabinets

Mounted on the pre-filter housing so residents can check cartridge condition without opening the whole system

Countertop Water Purifier Appliances

Fitted to the inlet line of countertop units where a visible pressure reading supports filter-change reminders

Whole-House Sediment Pre-Filters

Indicates pressure drop across large sediment filter housings installed at the home water main

Water Softener Bypass Assemblies

Confirms line pressure at the bypass manifold when servicing a domestic softener

Purifier OEM Production Lines

Supplied to purifier brands as a standard pressure indicator fitted during appliance final assembly

Technical Highlights & QC

Every unit validated for zero-defect performance

Potable-Water Cleanliness Check: Wetted parts are degreased and particle-checked to confirm no machining oil or debris remains before the movement is sealed.
Lead-Free Material Verification: Incoming brass and stainless stock is verified against the lead-free material declaration before release to production.
Color Zone Alignment Test: Printed zone boundaries are compared with the calibrated pressure reading to confirm each band sits at its specified value.
Low-Range Linearity Sweep: Units are stepped through the 0-1 MPa range to verify linearity where household pressure actually operates.
Water Hammer Cycling: Sample gauges are subjected to repeated pressure surges typical of solenoid valve closing to confirm no zero shift.
MES Serial Tracking: Cleaning batch, zone configuration, and calibration data are stored digitally against each unit's serial number.

Environment & Media Compatibility

Engineered for demanding operating environments

Under-Sink Humidity and Condensation: Sealed case resists the damp, occasionally condensing conditions typical of kitchen sink cabinets.
Household Cleaning Products: ABS and chrome finishes tolerate incidental contact with common household cleaning sprays.
Municipal Water Chlorine Levels: Wetted materials resist the low chlorine concentration present in treated municipal tap water.
Solenoid Valve Water Hammer: Movement withstands the short pressure spikes created when purifier solenoid valves close quickly.
Hard Water Scale Exposure: Smooth-bore connection reduces scale bridging that could block the pressure port in hard-water regions.
Temperature Swings in Utility Spaces: Calibration remains stable across cool garage and warm kitchen installation temperatures.

Pro Tips for Longevity

Installation & maintenance best practices

Fit at the Pre-Filter Outlet: Place the gauge downstream of the sediment cartridge so the reading reflects cartridge loading rather than raw supply pressure.
Note the Clean-Cartridge Reading: After installing a fresh cartridge, note the normal pressure so a later drop is easy to recognize.
Use PTFE Tape Sparingly: Apply a thin wrap of thread tape and avoid over-tightening, which can crack a plastic or thin-walled fitting.
Support the Tubing: Clip the water tubing near the gauge so the weight of the line does not stress the connection.
Flush After Installation: Run a few liters of water through the system after fitting to clear air and any installation debris.
Do Not Exceed Rated Pressure: Where supply pressure exceeds 1 MPa, fit a pressure-reducing valve ahead of the purifier and gauge.

Payment & Logistics

Reliable global supply chain from factory to your site

Flexible Payment Terms: We support T/T (30% deposit, balance before shipment), L/C at sight for large orders, and secure B2B trade assurance platforms for new customers.
Global Freight Options: Sea freight from Ningbo or Shanghai for bulk orders; DHL, FedEx, or UPS air express for urgent sample and small-batch shipments.
Assembly-Line Packaging: Bulk trays keep gauges upright and protected for purifier manufacturers loading them directly at final assembly.
Full Export Documentation: Commercial invoice, packing list, certificate of origin (CO), lead-free material declaration, and CE declaration of conformity provided with every shipment.
Sample Lead Time: Standard range samples are available in 5-7 working days; custom dial print samples need 8-10 working days.
After-Sales Support: Our technical team supplies panel and housing drawings and recommended pressure-band settings for your cartridge design.

About Us

Zhoushan Jiaerling Meter Co., Ltd. — 20 years of precision manufacturing

Zhoushan Jiaerling Meter Co., Ltd. was established in 2004. It is China Household Water Purifier Pressure Gauge Manufacturers and Wholesale Household Water Purifier Pressure Gauge Factory, which is a high-tech enterprise integrating design, research and development, manufacturing, import and export trade.

The company is located in Zhoushan City, Zhejiang Province, covering an area of 15,000 square meters, equipped with a 100,000-level clean workshop, conventional production and assembly workshop, automated production workshop, new laboratory and comprehensive office building.

After more than 20 years of hard work and development, the company has a stable design and development, production team, and advanced production and testing equipment. The company specializes in the production of various types of pressure gauges with complete specifications, and the annual output of pressure gauges reaches 6 million. In order to further develop, the company not only seeks improvement in technology, but also pays more attention to product quality and after-sales service. The company's purpose is to "regard quality as life, survive by reputation, promote development by technology, and serve customers with high-quality brands". The products are sold all over the world and are well received by domestic and foreign customers.

In 2019, the company participated in the compilation of the standard T/CECS10012-2019 "Gas Heating Hot Water Boiler and Water Heater Water Circuit Components" of the China Engineering Construction Standardization Association.

Under the implementation of modern and digital enterprise management, the company has successfully introduced the advanced MES system in 2023, and the order process is fully visualized to track data, ensuring the continuity of production and improving production efficiency.

The company will continue to adhere to the principles of excellence, accuracy, reliability, continuous improvement, and meeting customer needs, hoping to share harmony and prosperity with friends across the country.

Honor

Certifications and proprietary achievements

High-Tech Enterprise

Proprietary

Frequently Asked Questions

Everything you need to know before specifying or ordering

What pressure range is right for a home purifier?

Most municipal supplies fall between 0.2 and 0.6 MPa, so a 0-1.0 MPa scale gives good resolution; choose 0-1.6 MPa if your supply is unusually high.

How does the gauge show that a filter needs replacing?

When a cartridge clogs, pressure downstream of it falls relative to the clean-cartridge reading; the color-banded dial makes that decline obvious.

Is the gauge safe for drinking water?

Wetted parts use lead-free brass or stainless steel and are cleaned before sealing; a lead-free material declaration is available.

Can it connect to push-fit purifier tubing?

Yes, a push-to-connect adapter option is available for the tube sizes commonly used in consumer purifiers.

Why is the accuracy class 2.5?

Household filter monitoring needs trend visibility rather than laboratory precision, so Class 2.5 keeps the gauge economical for consumer appliances.

Can my brand's logo be printed on the dial?

Yes, custom logo and zone printing are available for qualifying OEM quantities.

Does it need power or batteries?

No, the gauge is fully mechanical and works without any electronics.

What if my household pressure is above 1 MPa?

Install a pressure-reducing valve upstream, or specify the 0-1.6 MPa range so the pointer stays in the mid-scale.

How long will it last in an under-sink cabinet?

With normal domestic use the sealed brass and stainless construction typically gives many years of service.

Can it be used on both hot and cold lines?

This model is rated for potable water up to 50°C; consult us for hot-water appliance versions.