The Grant Aerona3 Installation Pack C is designed for direct systems using non pre-plumbed cylinders. This pack includes a combined volumiser/low loss header, a 7-day immersion programmer, a heat pump wiring interface, flexi foot kit, a mag one filter, an 18 litre sealed system kit, a 3-port diverter valve, a cylinder sensor, water priority relay, domestic hot water programmer and an air-conditioning isolator.

• Sealed system kits are available to suit all Aerona3 heat pump models
• Combined volumiser/low loss header creates hydraulic separation
• If the combined volumiser/low loss header cannot be fitted inside, a 30 litre external volumiser can be supplied
• Domestic hot water programmer automatically controls the heat pump domestic hot water operating periods