Now till 21 June 2026: Rinnai Singapore, Father’s Day Giveaway Campaign: Instagram Giveaway by JR 16/Jun/2026 Rinnai Singapore launches a Father’s Day Instagram giveaway running until 21 June 2026. Open to Singapore-based participants, the campaign offers simple entry steps, bonus chances via sharing, and random winner selection announced on 30 June 2026. Read more
