Provident Insert 35" Gas Insert Brand_Flame Boss There is a gasket that

There is a gasket that lines the inner seam of the lid

That part is 74150

and scale control because the water isn't swinging in the first place

Visible Algae Growth: 32 fl oz per 10

Provident Insert 35" Gas Insert Brand_Flame Boss There is a gasket thatOverview Get all the essentials of an efficient, great looking gas fireplace insert with the Provident. No more losing valuable heat up your chimney. Beautiful options bring it all to life at the touch of a button. LP requires conversion, order LPK MI IPI. Quick Specs BTUs: Up to 32,000 Input Natural Gas BTU 22,890 32,700 Input Front Width 36 1 8 in. Back Width 24 5 8 in. Height 24 in. Depth 14 1 2 in. Viewing Area 32 1 2 (W) x 19 3 8 (H) in. Liquid