Siemens HTRI-R Intelligent Single Interface Module With Relay – USA Stock

This is a critical piece for fire alarm systems—the Siemens HTRI-R.

It's an intelligent single interface module that also includes a relay.

Basically, it lets the main panel monitor and control stuff like HVAC shutdown, door holders, or other auxiliary devices.

It's a brand new unit, ships from USA stock, so you get it fast.

The model is specifically HTRI-R from Siemens.

It's the real deal, not a generic knockoff.

If you're a technician doing an install or a facility manager needing a spare, this is what you need.

Reliable, smart, and ready to wire in.

Keep your system up to code with genuine Siemens parts.