Bad after sales service

We bought a gas geyser which was faulty. They refused to refund us and we had to contact the manufacturer of the said gas geyser. After a telephonic discussion, they informed us that the geyser was indeed faulty and can be taken back to Lategans. Saturday we took it back and requested a refund. At long last Lategan, after receiving a call from the manufacturers, agreed to refund us. Today is Wednesday and the money was not yet paid into our account. Since Monday, the sales person Pieter just say payment will be done tomorrow ... Wonder how many tomorrows before they actually refund us.