HFT33007Z-01 Thermostatic Mixing Valve, G3/4
The Legom HFT33007Z-01 Thermostatic Mixing Valve is a G3/4 thermostatic mixing valve with a fully electroplated body and electroplated handwheel and external water inlet and outlet connectors, combining premium metallic surface treatment throughout the valve assembly with external connector positioning flexibility at both the supply and distribution connection points. Temperature adjustment range 20–60°C, control accuracy ±2°C, working pressure range 0.03–1 MPa, compatible with hot water inlet 30–99°C and cold water inlet 5–29°C.
Manufactured from 57-3 copper with full electroplating, the HFT33007Z-01 provides the standard domestic G3/4 connection size with external connectors that extend the inlet and outlet connection points outward from the valve body, accommodating pipework that does not align precisely with standard fixed-port positions. Factory-preset temperature ranges available for OEM orders.
Key Benefits
- Full electroplating on body and handwheel – Premium metallic surface treatment applied to both the 57-3 copper valve body and the ABS handwheel, providing a consistent high-specification metallic appearance throughout the entire assembly — the highest finish level in the Legom HFT G3/4 range
- External inlet and outlet connectors — full connection flexibility – External connectors extend both the supply inlet and mixed outlet connection points outward from the valve body, accommodating pipework that does not reach the valve’s standard port positions and simplifying OEM integration where the TMV must connect to pipework at defined positions in the heater assembly
- G3/4 — standard domestic water heater connection – Direct compatibility with standard domestic storage water heater outlets and G3/4 supply pipework
- ±2°C temperature control accuracy – Consistent mixed water delivery within ±2°C of the set point
- 20–60°C adjustment range – Full-range flexibility with factory-preset narrower ranges available
- No electricity required – Self-acting thermostatic operation with no electrical connection needed
- 57-3 copper with full electroplating – Premium construction for durable potable hot water service
- Wide pressure range 0.03–1 MPa – Covers gravity-fed through standard mains-pressure systems
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | HFT33007Z-01 |
| Body Material | 57-3 copper, fully electroplated |
| Handwheel | ABS with electroplating |
| Connection | G3/4 internal thread (DN20) |
| 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 (premium domestic, OEM integration) |
Full Electroplated G3/4 TMV — Connector Type Comparison
| Model | Body Finish | Connector | Best For |
|---|---|---|---|
| HFT33007Z-01 | Full electroplated | External inlet and outlet | Premium finish + connection flexibility |
| HFT40007H-01 | Standard copper | External inlet and outlet | Connection flexibility, standard body |
| HFT40009Z-01 | Nickel plated | Standard fixed ports | Spark pattern handwheel, fixed ports |
| HFT30001 G3/4 | Nickel plated | Standard fixed ports | Standard domestic installation |
Application & Use Cases
- Premium OEM water heater products at G3/4 with connection flexibility – The combination of full electroplated finish and external connectors makes the HFT33007Z-01 the appropriate choice for OEM products requiring both a premium metallic appearance throughout and the ability to connect to supply and distribution pipework at offset positions in the heater assembly
- Visible installations requiring premium metallic appearance and offset connection – Where the valve is installed in a visible location, both the body and handwheel must carry premium electroplated finish, and the supply or distribution pipework does not align with standard fixed-port positions
- Standard domestic water heater installations with offset supply pipework – Where G3/4 is the connection size, premium finish is specified, and the external connectors bridge misalignment between heater outlet positions and valve port positions
- Retrofit installations with misaligned pipework requiring premium finish – Replacing an existing G3/4 TMV in an established installation where pipe positions do not align with the replacement valve’s fixed ports, and the new installation specifies electroplated components
Installation Notes
- Connect hot and cold supply pipework to the hot (H) and cold (C) external inlet connectors and distribution pipework to the external outlet connector (M) using 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 body and handwheel carefully — avoid contact with thread sealant or pipe compounds on electroplated surfaces
- The valve performs optimally at 0.1–0.5 MPa
- Verify outlet temperature at the furthest fixture with a calibrated thermometer after installation
- Flush supply lines before installation to remove debris
Frequently Asked Questions
What is the difference between the HFT33007Z-01 and the HFT40007H-01?
Both are G3/4 thermostatic mixing valves with external inlet and outlet connectors. The key difference is the body finish. The HFT40007H-01 has a standard 57-3 copper body (without full electroplating) with an electroplated handwheel only. The HFT33007Z-01 has full electroplating on both the body and the handwheel — the metallic surface treatment is consistent throughout the entire assembly. Choose the HFT33007Z-01 when both the body and handwheel must carry the premium electroplated finish. Choose the HFT40007H-01 when only the handwheel requires the electroplated finish and the body finish is not a specification requirement.
Can the temperature range be factory-preset?
Yes. OEM and project orders can specify factory-preset temperature ranges of 35–55°C, 40–50°C, or 30–60°C. Electroplating color and finish options are available for OEM specification. Contact the Legom team with your requirements.
What maintenance does the HFT33007Z-01 require?
The thermostatic cartridge should be inspected annually. Clean the cold inlet strainer periodically. In hard water areas, cartridge descaling may be required annually. When cleaning or servicing the valve, use non-abrasive methods on the electroplated surfaces to preserve the metallic finish. Contact the Legom team for cartridge replacement specifications for the G3/4 model.
OEM & ODM Customization
Legom supports full OEM and ODM services for the HFT33007Z-01 Thermostatic Mixing Valve. Customization options include electroplating color and finish, preset temperature range, external connector specification, connection size, and body configuration. 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.
