Wishlist Quick view Honeywell Life Safety Group Fire-Lite XRM-24 Signal Assembly Transformer, 24V, 100Va, 3.6A $316.14 The XRM 24 is a 24 volt, 100VA transformer which, when installed, will provide maximum accessory power. The XRM 24 mounts on two studs located in the backbox below the factory installed standard... Add to Cart Add to Wishlist