The 78mm Diamond Core Bit (DC78) is a drilling accessory for Primary Pro heat pump installations.
- 78mm diamond-tipped core bit for clean masonry drilling
- Compatible with Primary Pro 22mm and 28mm sleeve systems
- DC78 model designation ensures precise Primary Pro integration
- Expertly engineered for accurate hole diameters in installation work
Use with Primary Pro sleeves for drilling access holes during heat pump installation.
