Viessmann VITODENS 100-W Wall-Mounted Gas Condensing Non-Combi Boiler

Equipped with a Viessmann stainless steel heat exchanger for lasting performance and reliability, plus a fully modulating MatriX Plus cylinder gas burner, the Vitodens 100-W wall-mounted condensing boiler is the perfect combination of value, quality and Viessmann technology. Features: Long lasting, reliable performance and outstanding 95% AFUE efficiency with stainless steel InoxRadial heat exchanger Reduced emission (low-NOx) and 10:1 turn down ratio with fully-modulating stainless steel MatriX Plus cylinder burner Field height adjustable controls for comfortable service operation in any space Compact, lightweight wall-mount design with zero clearance to combustibles Easy installation, service and maintenance with easy access to all servicable components Multiple venting options and advanced software allow for automatic adjustment Easy piping due to two sets of tappings, along with built in pump and diverter Suitable for high altitudes up to 10,000 ft (3000 m) with no power loss and automatic software ven...