Good Morning Sprinkles. xx

Sundays riddle answer was - Amusement
Teen, Museum, Team, Must, Tease.
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Yesterdays again in case you missed iy.

I’m an English word with three consecutive double letters. What word am I?
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Todays is:-

Discharging is what I do
It's my way of serving you
Ingredients you supply
Extract their essence do I
Push my buttons; make me start
Now it's time to do my part
A tumultuous event
During which I've steam to vent
A contrivance that expels
Found in the place where one dwells
I deliver refreshment
A most worthwhile investment

What am I?

All answers on my back wall please. xx

Tossing water 👣