These factory-assembled units are pre-plumbed & pre-wired with 230V central heating controls, a pump, two 2-port motorized valves, an automatic by-pass & balancing valve, a primary system filling loop, a primary system pressure gauge, a primary system expansion vessel, and an auto air vent.

Simplified on-site installation.
Up to 70% quicker to install.
Factory assembled for reliability – reduces costly call-backs and delays.
Consistent electrical and plumbing layout.
MEGAFLO Eco – the UK’s No.1 unvented cylinder.
125, 145, 170, 210, 250, and 300-liter capacities – S-plan.
Programmable thermostat with timed Domestic Hot Water (DHW) Control.
Separate central heating and hot water zones.
No maintenance three-speed circulating pump.
Automatic bypass valve for system efficiency.
Load balancing valve for indirect coil efficiency.
Connections for vented and unvented heating primaries.
Primary system filling loop, Primary system pressure gauge. Primary system expansion vessel, and auto air vent (supplied loose).
ISO 9001:2008 quality assured.
Lifetime cylinder guarantee.
Made in the UK.