Best way to get steam for steam rocket - [Oxygen Not Included

I was trying to create steam for my steam rocket using the Liquid Tepidizer unfortunately there is rule where the water around the device needs to be lower than 85c Any tips?

Capturing rocket heat for steam power is amazing fun : r/Oxygennotincluded

Getting to space Guides Not Included

Steam Community :: Guide :: ONI - Surviving the Late-Game

Oxygen Not Included: Spaced Out! - Epic Games Store

Mid-to-late-game compact rocket fuel production setup : r/Oxygennotincluded

Rocket Silo Setup - Imgur

Oxygen Not Included: Klei space colony sim - #301 by Rock8man - Games - Quarter To Three Forums

Oxygen Not Included, [H]ard

Piping - Oxygen Not Included Wiki

Steam Community :: Guide :: Colony 101: space exploration (end-game)

Oxygen Not Included on Steam

Gelugon_baat's Review of Oxygen Not Included - GameSpot