Grant Vortex 16/21 internal system boiler is best fitted for medium to large sized properties with no mains gas supply and where living space is limited making a floor standing boiler impractical. This wall hung boiler features the Vortex stainless steal heat exchanger, a tubular baffle system, a factory fitted expansion vessel, filling loop, pressure gauge, automatic air vent, pressure relief valve and circulating pump.

Brand Name	Grant