What is the English term for asap saat merebus?

The English term for “asap saat merebus” is most likely “boil as soon as possible” or more naturally “bring it to a boil as soon as possible” if you mean making water or a mixture boil quickly. The abbreviation ASAP means “as soon as possible” in English.

More natural options

• As soon as possible — the direct meaning of ASAP.

• As quickly as possible — also natural in this context.

• Bring it to a boil quickly — if you are talking about cooking.

Example

• Please bring the water to a boil as soon as possible.

TL;DR

ASAP = as soon as possible.

If your sentence is about cooking, “bring to a boil as soon as possible” sounds most natural.