Crossword Genius

Taps closed, gas turned up for warming drink (6)

Ross

I believe the answer is:

scotch

'warming drink' is the definition.
(type of alcoholic drink)

'taps closed gas turned up' is the wordplay.
'taps' becomes 'HC' (Hot and Cold taps).
'closed' becomes 'to' (as in a door closed to).
'gas' becomes 'CS' (short for 2-chlorobenzalmalononitrile).
'turned up' says the letters should be written in reverse.
'hc'+'to'+'cs'='hctocs'
'hctocs' written backwards gives 'SCOTCH'.

'for' acts as a link.

(Other definitions for scotch that I've seen before include "__ broth; soup variety" , "Whisky (not whiskey!)" , "Put an end to - drink" , "providing nursery facility in school" , "hard drink" .)

I've seen this clue in The Guardian.
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