MTI 35-742 combo detector lights
I have an email in to the mfg, but thought I would check here as I work on things I need to get done. Installed a new 35-742 combo LP/CO detector. I have a green light on the CO and no light on the...
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Yes only one green "Operational" LED,
the other is red (always) and only comes on, or in conjunction with, green LED as visual alert.
