ZAGG InvisibleShield Ultra Clear... vs White-Rodgers Emerson M30 White ...

The enclosed instructions are a bit confusing, but watching their video tutorial helps out a lot. Easy enough to apply.

While it protects the areas it covers relatively well, it scars easily. After pushing bubbles and things out, i let it sit for about five minutes.

White-rogers performs great, so-far. No problem with the m30 to this point. In the interim, this product works well.

Replaces an old mercury thermostat. Connected the 2 wires on the back, * it to the wall and boom. Mechanical--no electronics to fail.

This works great in the camper with a 12 volt system. Used on millivolt gas logs--maintains good contacts. Installed on 24v gas heater, works great. Perfect replacement for a 2 wire furnace.

Very very easy to install. Simple manual. Easy to read and set. Very simple to install.

Maintained desired temperature setting. One slight limitation, temperature sensitivity is a bit broad.

My biggest complaint is that when it gets cold, the spring inside contracts to the point where the lever on the top is pulled backwards. My second gripe is that the faceplate snaps on to small plastic anchors that are brittle, and break off easily whe...  Read More