---
product_id: 11135961
title: "Tecmark TBS 300 Series Air Switch 25amp SPNO Latching TBS339"
brand: "tecmark"
price: "€ 49.56"
currency: EUR
in_stock: true
reviews_count: 9
category: "Tecmark"
url: https://www.desertcart.gr/products/11135961-tecmark-tbs-300-series-air-switch-25amp-spno-latching-tbs339
store_origin: GR
region: Greece
---

# 25A high current rating Latching SPNO for reliable ON/OFF 5/16" quick connect tabs Tecmark TBS 300 Series Air Switch 25amp SPNO Latching TBS339

**Brand:** tecmark
**Price:** € 49.56
**Availability:** ✅ In Stock

## Summary

> ⚡ Switch Smart, Stay Connected — The Power Move Your Setup Deserves!

## Quick Answers

- **What is this?** Tecmark TBS 300 Series Air Switch 25amp SPNO Latching TBS339 by tecmark
- **How much does it cost?** € 49.56 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/11135961-tecmark-tbs-300-series-air-switch-25amp-spno-latching-tbs339)

## Best For

- tecmark enthusiasts

## Why This Product

- Trusted tecmark brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Reliable Control:** Single pole normally open latching switch for consistent ON/OFF operation.
- • **Compact & Durable:** Small footprint with IP54 rating for dust and splash resistance.
- • **Precision Fit Only:** Designed exclusively for Tecmark TBS339, ensuring seamless compatibility.
- • **Effortless Installation:** 5/16" male quick connect tabs and 5/8" panel hole for fast setup.
- • **Power Up with Confidence:** Handles up to 25 amps for heavy-duty appliances and equipment.

## Overview

The Tecmark TBS 300 Series Air Switch TBS339 is a compact, latching single pole normally open switch rated for 25 amps. Engineered exclusively for Tecmark systems, it features quick connect terminals and an IP54 rating for durability. Ideal for controlling lights, fans, heaters, and appliances, it offers reliable ON/OFF control with easy installation, making it a trusted choice for professional-grade repairs and upgrades.

## Description

TBS 300 Series Air Switch Single pole, latching or momentary contacts, and are compact in size. Wire connects are 5/16" male quick connect tabs and required panel hole is 5/8" Specs: Function - Latching Air Switch Type - Single Pole Normally Open (spno) Model - TBS 339 Air Switch Mount - 9/16" hole Air Tube Connection Size - 1/8" Barb (b) Switch Amperage - 25A Manufacturer - Tridelta/Tecmark

Review: Installed and Working Fine (See review notes) - I used this to repair our old Jacuzzi tub that came with our house. A couple notes: 1) It doesn't come with a tube lock nut like the original pump equipment, but it doesn' actually need it. 2) The hole on the housing that the treaded side gets push though is set up for the original equipment that had 2 flat sides. So I drilled out the plastic cover a little bit so this new switch would fit through. I guess you could use a file or similar to make to flat sides ont he switch, but seemed like making the cover hole round was a better idea.
Review: Jacuzzi Bathtub Turns On, Won't Shut Off. - We had purchased a new home, the Jacuzzi tub was unplugged when we took ownership. After plugging it in, the tub would pump water to the jets perfectly. However, it would not shut off. I purchased both the Tecmark air switch and new button kit. I installed the new button kit first since it was the easiest to get to. Didn't fix the issue. Installed the air switch and works like a dream! Turns on and Shuts of with the push of the button. It was difficult to get the pump out of the tight space but made the installations of the new air switch simple. Highly recommend the Tecmark Air Switch for your Jacuzzi Tub!

## Features

- Will NOT fit other brands. This only works for and fits the same switch, TBS339.
- Tecmark TBS339 Latching Air Switch
- 25amp, SPNO

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B002LGGV90 |
| Actuator Type | Plunger |
| Best Sellers Rank | #75,148 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #141 in Toggle Switches |
| Brand | Tecmark |
| Brand Name | Tecmark |
| Circuit Type | 1-way |
| Color | Black |
| Compatible Devices | Lights, fans, heaters, appliances up to 25 amps |
| Compatible with Vehicle Type | Truck, Heavy Machinery, Marine |
| Connectivity Protocol | X-10 |
| Connector Type | Quick Connect |
| Contact Material | Brass |
| Contact Type | Normally Open |
| Control Method | Sensor |
| Control Type | Automatic |
| Controller Type | Push Button |
| Current Rating | 25 A |
| Customer Reviews | 4.6 out of 5 stars 554 Reviews |
| International Protection Rating | IP54 |
| Item Dimensions | 6 x 4 x 6 inches |
| Item Weight | 0.27 g |
| Lower Temperature Rating | 1 °C |
| Manufacturer | Tecmark |
| Material Type | Plastic |
| Model | TBS-339 |
| Mounting Type | Plastic Nut |
| Number of Items | 1 |
| Number of Positions | 1 |
| Operation Mode | ON-OFF |
| Part Number | TBS-339 |
| Specification Met | Ip54 |
| Switch Type | Latching |
| Terminal | Spade |
| UPC | 753610463269 |
| Unit Count | 1 Count |
| Wattage | 3000 watts |

## Product Details

- **Brand:** Tecmark
- **Circuit Type:** 1-way
- **Connector Type:** Quick Connect
- **Contact Type:** Normally Open
- **Current Rating:** 25 Amps
- **Item dimensions L x W x H:** 6 x 4 x 6 inches
- **Material:** Plastic
- **Operation Mode:** ON-OFF
- **Switch Type:** Latching
- **Terminal:** Spade

## Images

![Tecmark TBS 300 Series Air Switch 25amp SPNO Latching TBS339 - Image 1](https://m.media-amazon.com/images/I/51UnJKzmoML.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Installed and Working Fine (See review notes)
*by J***M on September 5, 2025*

I used this to repair our old Jacuzzi tub that came with our house. A couple notes: 1) It doesn't come with a tube lock nut like the original pump equipment, but it doesn' actually need it. 2) The hole on the housing that the treaded side gets push though is set up for the original equipment that had 2 flat sides. So I drilled out the plastic cover a little bit so this new switch would fit through. I guess you could use a file or similar to make to flat sides ont he switch, but seemed like making the cover hole round was a better idea.

### ⭐⭐⭐⭐⭐ Jacuzzi Bathtub Turns On, Won't Shut Off.
*by T***Y on August 19, 2020*

We had purchased a new home, the Jacuzzi tub was unplugged when we took ownership. After plugging it in, the tub would pump water to the jets perfectly. However, it would not shut off. I purchased both the Tecmark air switch and new button kit. I installed the new button kit first since it was the easiest to get to. Didn't fix the issue. Installed the air switch and works like a dream! Turns on and Shuts of with the push of the button. It was difficult to get the pump out of the tight space but made the installations of the new air switch simple. Highly recommend the Tecmark Air Switch for your Jacuzzi Tub!

### ⭐⭐⭐⭐⭐ Very very happy
*by W***S on November 23, 2025*

Pleasantly surprised to find this on Amazon. Works great and quick delivery. Price is well worth it.

## Frequently Bought Together

- Tecmark TBS 300 Series Air Switch 25amp SPNO Latching TBS339
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---

*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-09-17*