Warm up to our most luxurious fireplace yet, the PRIMO gas fireplace; where intricate modern styling meets our exclusive innovative heating technology. There’s a reason we call these minimalist gas fireplaces PRIMO. Manual Warm up to our most luxurious fireplace yet, the PRIMO gas fireplace; where intricate modern styling meets our exclusive innovative heating technology. There’s a reason we call these minimalist gas fireplaces PRIMO. Manual Heat & Glo PRIMO SERIES GAS FIREPLACE