The Zip Aquapoint III is an unvented water heater undersink model

Zip Aquapoint 111 AP3/10 Undersink 10 Litre Unvented Water Heater - AP310

This unvented water heater range comes in a variety of capacities and offers over-sink or under-sink installation. Suitable for single or multiple outlets, Aquapoint 3 is glass-lined and features external temperature control and frost protection.