HFT40005H-01 Thermostatic Mixing Valve, G1/2

The Legom HFT40005H-01 Thermostatic Mixing Valve is a compact G1/2 thermostatic mixing valve with an electroplated handwheel and external water inlet and outlet connectors — the smallest connection size in the Legom HFT electroplated handwheel series. Delivering standard HFT thermostatic mixing performance — temperature adjustment range 20–60°C, control accuracy ±2°C, working pressure range 0.03–1 MPa — the HFT40005H-01 brings the premium metallic handwheel finish to G1/2 single-fixture and compact water heater applications where a premium visual specification is required alongside connection flexibility.

Manufactured from 57-3 copper, compatible with hot water inlet 30–99°C and cold water inlet 5–29°C. Factory-preset temperature ranges available for OEM orders.


Key Benefits
  • Electroplated handwheel at the smallest domestic TMV size – Metallic surface finish applied by electroplating onto the ABS handwheel, bringing the premium metallic appearance of the HFT40006/07H-01 series to G1/2 compact and single-fixture installations
  • External water inlet and outlet connectors – Positional flexibility at both connection points, accommodating pipework that does not align precisely with standard fixed-port valve positions and simplifying OEM water heater assembly integration at the G1/2 size
  • G1/2 for compact and point-of-use installations – The smallest HFT electroplated handwheel model, suited to individual fixture applications, compact domestic water heaters, and OEM products with G1/2 connection specifications
  • ±2°C temperature control accuracy – Consistent mixed water delivery within ±2°C of the set point
  • 20–60°C adjustment range – Full-range commissioning flexibility with factory-preset narrower ranges available
  • No electricity required – Self-acting thermostatic operation requiring no electrical connection
  • 57-3 copper body – Durable copper alloy construction for potable hot water service
  • Wide pressure range 0.03–1 MPa – Including gravity-fed low-pressure systems

Technical Specifications
Parameter Specification
Model HFT40005H-01
Body Material 57-3 copper
Handwheel ABS with electroplating
Connection G1/2 internal thread (DN15)
Connector Type External water inlet and outlet connector
Temperature Adjustment Range 20–60°C (standard); 35–55°C / 40–50°C / 30–60°C (preset options)
Temperature Control Accuracy ± 2°C
Working Pressure Range 0.03 MPa – 1 MPa
Ideal Working Pressure 0.1 MPa – 0.5 MPa
Cold Water Temperature Range 5°C – 29°C
Hot Water Temperature Range 30°C – 99°C
Primary Use Water heater (compact domestic, single fixture, OEM)

HFT Electroplated Handwheel Series — Complete Range

Model Connection Bore Typical Use
HFT40005H-01 G1/2 DN15 Compact domestic, single fixture, OEM
HFT40006H-01 G3/4 DN20 Standard domestic, OEM
HFT40007H-01 G3/4 DN20 Standard domestic, OEM (alternate body)

Application & Use Cases
  • Premium OEM water heater products at G1/2 – The electroplated handwheel elevates the appearance of G1/2 TMV components in premium-tier compact water heater and point-of-use heater product lines
  • Single-fixture point-of-use installations – Individual basin, shower, or bath applications at G1/2 where premium handwheel finish and external connector flexibility are specified
  • Compact domestic water heaters with G1/2 outlets – Small electric storage, instantaneous, and compact solar thermal units requiring a premium-finish TMV at the G1/2 connection size
  • Visible installation locations requiring premium aesthetics – Where the metallic electroplated handwheel coordinates with premium plumbing fixtures at the point-of-use location

Installation Notes
  • Connect hot water supply to the hot inlet via the external inlet connector (H), cold water to cold inlet (C), and distribution to the external outlet connector (M) with appropriate thread sealant
  • Install isolation valves upstream of both hot and cold inlets
  • Install a strainer on the cold inlet to protect the thermostatic cartridge
  • Handle the electroplated handwheel carefully — avoid contact with thread sealant on the handwheel surface
  • The valve performs optimally at 0.1–0.5 MPa
  • Verify outlet temperature at the fixture with a calibrated thermometer after installation
  • Flush supply lines before installation to remove debris

Frequently Asked Questions
When should I choose the HFT40005H-01 over the G3/4 electroplated models?

Choose the HFT40005H-01 when the water heater outlet or fixture supply is G1/2 (DN15). Choose the HFT40006H-01 or HFT40007H-01 when the connection is G3/4 (DN20). All three models share the electroplated handwheel, external connectors, 57-3 copper body, and identical thermostatic performance — connection size is the differentiating factor.

What is an electroplated handwheel?

Electroplating deposits a thin metallic layer onto the ABS plastic handwheel through an electrochemical process, producing a surface with metallic appearance and hardness. The result is visually comparable to a solid metal component while retaining the light weight of plastic — significantly more premium in appearance than standard printed or plain ABS handwheels used across most of the HFT range.

Can the temperature range be factory-preset?

Yes. OEM orders can specify factory-preset ranges of 35–55°C, 40–50°C, or 30–60°C. Electroplating finish options including chrome, satin nickel, and gold are available for OEM specification. Contact the Legom team with your requirements.


OEM & ODM Customization

Legom supports OEM and ODM services for the HFT40005H-01 Thermostatic Mixing Valve. Customization options include electroplating color and finish, preset temperature range, external connector specification, and body finish. Contact us via WhatsApp or info@legomsmart.com.


Product information last reviewed by the Legom Technical Team. For the most current specifications, refer to the official datasheet or contact our sales team.

Custom OEM & ODM Solutions

Legom is a direct manufacturer offering end-to-end OEM and ODM services. With our in-house engineering and production capabilities, we work closely with distributors and system integrators to deliver fully customized solutions under strict NDA.

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