• Looking for a smarter way to manage your heating this winter? We’ve been testing the new Aqara Radiator Thermostat W600 to see how quiet, accurate and easy it is to use around the home. Click here read our review.

grades

  1. C

    Alarm Grades

    Hope someone can shed some light, im loooking round at alarm parts , panels etc. and i keep seeing that these items are Graded, Grade 2 , Grade 3 etc. can anyone tell me why this is and can these be mix and matched. could you have a grade 3 panel with grade 2 Pir's for instance? cheers in advance
Back
Top