The ruling on prayer when one is able to use water
Machine translationRead the Arabic original
Q98: The questioner says: If they were able to bear the coldness of the water, or if they had the ability to heat the water but did not do so, are they required to make up their past prayers?
A98: If they performed tayammum and prayed while they were able to heat the water, then it is obligatory for them to make up the past prayers; because tayammum is not valid for them.
A98: If they performed tayammum and prayed while they were able to heat the water, then it is obligatory for them to make up the past prayers; because tayammum is not valid for them.
Source
www.alifta.gov.sa
The Arabic text is copied verbatim from the original source, without any edits.