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Condition:
Factory New
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Learn more:
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MFR:
RPI
Ships from Manufacturer
- MPN: VPS174
- Phone: (800) 221-9723
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Frequently asked questions
Is this switch compatible with Air Techniques VacStar 4 units?
Yes, the RPI VPS174 is specifically engineered as a replacement part for Air Techniques VacStar 4 dental vacuum units, ensuring reliable fitment and function.
Does this replace the original OEM part number?
Absolutely. This RPI part is designed as a direct aftermarket replacement for OEM Part Number 55682.
Is this a solid-state component for reliable motor starting?
Yes, this switch utilizes solid-state technology. This design provides enhanced reliability for motor-starting functions compared to traditional mechanical switches.
What is the specific electrical voltage rating?
The switch is rated for 220VAC operation, making it suitable for motor applications requiring this specific voltage level.
What type of electrical connections does this switch use?
The switch features a standard terminal configuration for secure installation:
- (2) 1/4” tabs
- (1) 3/16” tab
Is this part supplied in new condition?
Yes, all RPI VPS174 units are supplied in Factory New condition, ensuring you receive a fresh, unused component for your equipment maintenance.
Is this switch designed for motor applications?
Correct. The primary function of this component is to serve as a motor start switch, ensuring the proper initiation and operation of the motor within compatible dental vacuum systems.
Are there any specific maintenance tips for installation?
While it is a direct replacement, ensure your system is fully powered down before installation. Because this is a precision component for a vacuum motor, we recommend ensuring all connections—the two 1/4” tabs and the 3/16” tab—are seated securely to prevent electrical resistance issues.
How reliable is RPI’s quality for this replacement part?
RPI is a well-regarded manufacturer of aftermarket parts. The VPS174 is built to strict standards to meet the functional requirements of the OEM 55682 part, offering a dependable alternative for your repair needs.
Who should I contact if I have technical installation questions?
For technical assistance or questions regarding the installation of this part, you can reach out to professional support at (800) 221-9723.

RPI VPS174 Switch (Solid State 220Vac)