The WHD-E-CU is a copper adjustable capillary temperature controller designed for adjustable tempera...
| Parameter | Specification |
| Product Type | Handle / Lever-Style Control Knob |
| Color | Black |
| Shape | Pointer Handle with Tapered Grip |
| Material | Plastic |
| Control Type | Rotary |
| Mounting | Rear Shaft Mount |
| Shaft Fit | D-Shaft, Round Shaft, or Knurled Shaft |
| Scale Plate | Molded or Printed Setting Markings |
| Scale Design | Customizable According to Application |
| Application | Thermostats, Rotary Switches, Control Panels |
| Customization | OEM / ODM Available |
Shaft type, shaft dimensions, handle dimensions, and scale plate design should be confirmed according to the connected control device before production.
Black Handle Knobs Advantages
Clear Pointer Position
The extended handle provides a visible pointer position, making it easier to identify the selected setting on a control panel.
Lever-Style Grip
The handle shape provides a practical grip for manual rotary adjustment and can be used on thermostats, switches, and other shaft-mounted controls.
Flexible Shaft Compatibility
The Black Handle Knobs can be configured for different shaft types, including D-shaft, round shaft, and knurled shaft designs. Shaft dimensions can be matched to the connected control component.
Matching Scale Plate
A molded or printed scale plate can be supplied to correspond with the setting range of the connected thermostat or switch.
Black Handle Knobs Applications
Black Handle Knobs are used for equipment requiring a visible pointer-style rotary control.
Water heater and heating equipment thermostats
Gas and cooking appliance control panels
Household and commercial appliance controls
Industrial control panels
Rotary switches and adjustment controls
Other equipment using shaft-mounted control knobs
The final shaft fit and scale plate configuration should be selected according to the connected control device and panel design.
Black Handle Knobs Manufacturer and OEM Supplier
We are a Black Handle Knobs manufacturer and Factory supplying control knobs for appliance manufacturers, equipment manufacturers, control panel assemblers, component distributors, and Wholesale buyers.
Custom and OEM Service
Custom, OEM, and ODM production is available according to confirmed product requirements. Options can include shaft compatibility, handle dimensions, scale plate design, printed or molded markings, and surface finish.
Factory Supply and Wholesale
As a direct Factory Supplier, we support sample evaluation, specification confirmation, OEM projects, and repeat Wholesale orders. Product requirements can be reviewed according to the target thermostat, rotary switch, or other control device.
Black Handle Knobs FAQ
What are Black Handle Knobs used for?
Black Handle Knobs are used as rotary control components for thermostats, rotary switches, appliance controls, and equipment control panels. The pointer-style handle provides a visible reference for the selected position.
What shaft types can the handle knob fit?
The knob can be configured for D-shaft, round shaft, or knurled shaft applications. The shaft type and dimensions should be confirmed according to the connected control device.
Can the scale plate be customized?
Yes. The scale plate can use molded or printed setting markings according to the control range and panel requirements of the connected device.
Are these knobs suitable for thermostat applications?
Yes. Black Handle Knobs can be used with thermostats and temperature control components that require a shaft-mounted rotary control.
Can the handle dimensions be customized?
Yes. Handle dimensions and other product specifications can be discussed according to the equipment design, mounting requirements, and OEM application.
Can the Black Handle Knobs be supplied for OEM projects?
Yes. OEM and ODM production can be arranged according to confirmed shaft fit, handle design, scale plate, material, and other product requirements.
Can these knobs be used as replacement components?
Yes. For replacement applications, the original shaft type, shaft dimensions, knob dimensions, mounting configuration, and scale markings should be checked before ordering.
Do you provide wholesale supply?
Yes. Factory supply is available for Wholesale buyers, appliance manufacturers, equipment manufacturers, component distributors, and OEM projects.



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