




Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
Secure Payments
Easy Returns
Expert Advice
Fast Shipping
The System Sensor 2WTA-B is a cutting-edge photoelectric smoke detector with a built-in thermal sensor and sounder, designed for efficient and reliable fire detection. This 2-wire device is compatible with i3 series standards, making installation straightforward and efficient.
This smoke detector integrates advanced photoelectric sensing technology with additional thermal detection for enhanced safety. It operates effectively in a variety of environments, thanks to its adaptive design and sensitivity adjustment features. The detector's maintenance signals and dual-color LED indicators aid in quick diagnostics and status updates.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
Add install kit to cart
—
Thanks for subscribing!
This email has been registered!


