Conventional boiler only
All internal component parts of the boiler.
Conventional boiler & controls
All internal component parts of the boiler plus programmer/timer, motorised valve(s), cylinder thermostat, room thermostat, frost thermostat, circulating pump, filling loop and pipe thermostat.
Conventional boiler & systems
The boiler and controls as above plus radiators, radiator valves, hot water cylinder (subject to terms & conditions), expansion tank and ball valve, expansion vessel and pressure gauge.
Combination boiler & controls
All internal component parts of the boiler, plus timer, filling loop, room thermostat, frost thermostat and pipe thermostat.
Combination boiler & system
The combination boiler and controls as above plus radiators & radiator valves.