Fine/Line 30 2 ft. Hydronic Baseboard with Fully Assembled Element and Enclosure in Nu White

The front cover comes with it. The picture shows a translucent front cover so that you can see the element. As a plumber I have not installed a bleeder valve since modern venting technology was introduced. I install a Spirovent or equivalent main vent at the boiler. That should make the water so oxygen deficient that any air, not removed during the purging process will get pulled back into stasis and then removed by the main vent. Sometimes with older system I end up cutting in bleeders at the highest point in the system if they were piped in a monoflo configuration. But only put them in when needed. Why? Although bleeders can be a tool for removing air they can also be a source of oxygen infiltration. So today they are a band aid only used when needed.

Yes.

You could to that if you like. The only think you don't want to do is block the bottom. Baseboard is often referred to by plumbers as radiation. But only 25% of heat is radiated. Most of the heat leaves the element through convection. The air between the fins is heated, and rises. This draws more air into the bottom. This is why if the board is mounted to low, carpet can stop the air from being drawn in the bottom and consequently reducing the heat output.

The outside dimensions of Slant Fin 30 Series baseboard is 7 7/8" tall and 2 11/16 deep.

Not Good

There are options but the most commonly chosen are the left hand SKU 202312901 and the right hand end cap SKU 202312902. If you put those numbers into the search block on Home Depot .,com the items will come up.