PRESAIR TVA211A Tinytrol Miniature Air Switch Amplifier 682470331626 21-AMP 21DPDT

( Brand: Presair ), ( Manufacturer Part Number: TVA211A ), ( Type: Air Switch ), ( UPC: 682470331626 )

Review PRESAIR 21dpdt Tinytrol Miniature Air Switch

The Presair TVA211A is a compact and versatile 21DPDT (21-pole double-pole double-throw) air switch designed for use in various industrial and automation applications. This miniature air switch from Presair is capable of handling up to 21 amperes of current and is an excellent choice for controlling compressed air circuits.

Measuring just 3.5 inches (89 mm) in length, the TVA211A is designed to save valuable space in control panels and other tight installation areas. Its small size does not compromise its functionality, as it offers 21 separate contacts that can be used to control multiple air-operated devices with precision. Each contact can be independently switched, making it ideal for applications requiring complex sequencing or multistage processes.

Constructed from high-quality materials, the TVA211A ensures durability and reliability in demanding environments. The switch body is made of die-cast aluminum, which provides excellent heat dissipation and resistance to corrosion. The contacts are made of silver-plated brass, ensuring excellent conductivity and long-lasting performance.

The TVA211A features a pneumatic operation, which means it is actuated by compressed air. This makes it an excellent choice for applications where electrical contacts or wiring cannot be used or are not practical. The switch requires a minimum operating pressure of 5 psi (0.3 bar) and a maximum operating pressure of 150 psi (10 bar).

Installation of the TVA211A is straightforward. The switch comes with a mounting plate, which can be fixed to the control panel using screws. The switch can then be easily connected to the compressed air supply and the controlled devices using quick-connect fittings or hard piping.

The TVA211A comes with a number of standard features designed to enhance its performance and ease of use. These include a built-in pressure drain to prevent moisture build-up, a manual override function for manual operation in case of power failure, and a clear indicator to show the status of the switch (operated or de-energized).

In summary, the Presair TVA211A is a high-performance, compact, and versatile 21DPDT air switch designed for industrial and automation applications. Its small size, high current capacity, and reliable construction make it an excellent choice for controlling multiple air-operated devices with precision and efficiency.

The Presair TVA211A 21DPDT Tinytrol Miniature Air Switch is a compact air switch designed for use in various industrial automation applications. Here are some pros and cons of buying this component:

1. Compact size: The TVA211A is a miniature air switch, making it an ideal choice for applications where space is a constraint.

2. High current capacity: This air switch can handle up to 21 amps of current, making it suitable for use with larger loads.

3. DPDT design: The double-pole, double-throw (DPDT) design of this air switch allows for the switching of two independent circuits with a single switch.

4. Robust construction: The TVA211A is built to withstand harsh industrial environments, with a corrosion-resistant housing and a long-life contact system.

5. Easy installation: This air switch can be easily mounted on a DIN rail or directly onto a panel, making installation a breeze.

1. Price: The TVA211A is a premium component, and its price point may be higher than some other air switches in the market.

2. Limited options for configurability: This air switch comes in a standard DPDT configuration, and there may not be many options for customizing its functionality.

3. Requires compressed air supply: To operate, this air switch requires a constant supply of compressed air, which may add to the overall cost and complexity of the system.

If you are looking for a compact, robust, and high-current air switch for your industrial automation application, the Presair TVA211A 21DPDT Tinytrol Miniature Air Switch is an excellent choice. Its DPDT design, easy installation, and long-life contact system make it a reliable and versatile component. However, its high price point and the requirement for a constant compressed air supply may be drawbacks for some applications.

If the TVA211A fits your application requirements and budget, then it is a great choice. However, if you are looking for a more cost-effective option, you may want to consider other air switches with similar specifications from different manufacturers. Additionally, if you have specific configurability requirements, it may be worth exploring custom air switch solutions.

Details:

Presair TVA211A 21 DPDT Tinytrol Miniature Air Switch. This is a brand new part comes with full manufacturer warranty.

part #: tva211a prices

• $22.25-$26.85

specifications poolmaintgo:

• brand: Presair
• mpn: Tva211a
• type: Air Switch
• upc: 682470331626

payments poolmaintgo:

• credit card: Mastercard
• other
• wallet: Apple-pay

seller poolmaintgo:

• # reviews: 46710
• city: Bloomfield, Connecticut
• rating: 99.9%

offer poolmaintgo:

• options: Ship-to-home
• quantity: 1
• started: May 29, 2026
• availability: In Stock
• sold: 0

shipping poolmaintgo:

• service: USPS First Class, USPS Priority Mail, FedEx Standard Overnight
• cost: $7.17
• type: Calculated
• class: Standard, Expedited, One-day
• carrier: USPS, FedEx
• transit: 4-7 Days

returns poolmaintgo:

• method: Money back
• policy: Returns Accepted
• paid by: Seller
• time: 60 Days

general poolmaintgo:

• Pools Spas > Pool Equipment Parts > Other Pool Equipment Parts
• condition: New

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