The heat-only Vortex Pro Module external oil boiler from Grant features Grant's highly efficient original Vortex stainless steel heat exchanger - providing some of the highest efficiencies on the market. All Vortex Pro external modules benefit from factory-fitted multi-directional flueing options, the latest Riello burner technology, built-in boiler frost protection, a mains isolating switch and a test switch, and more. In addition, this boiler can even be used with an RF wireless programmer (not included) - simply plug in the receiver to the boiler control panel and then control the boiler from within the building. External floor mounting installation.
Simple and quick to install with no complicated wiring or plumbing
Extremely compact design
Fitted with a low NOx Riello burner
High quality external powder coated finish
Can be converted to a sealed system with kits sold separately
Compatible with environmentally friendly energy technologies (solar thermal systems)
SAP 2009 gross seasonal efficiencies of 91.2% and registered with the Energy Savings Trust