

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
Ensure your commercial Ademco security panels remain operational even during a phone line failure with the Resideo 5140DLM Back-Up Phone Line Dialer Module. This module seamlessly adds a secondary supervised dialer output to your Vista series fire panels.
Resideo's commitment to quality and security is evident in the 5140DLM, offering peace of mind with its robust functionality.
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!