Bosch ZWB28-3, ZWB35-3, ZWB42-3, ZBR16-3, ZBR21-3 User Manual

Greenstar Condensing Boiler

Efficient, Affordable, Home Comfort

New Sizes

Available

High efficiency wall hung Greenstar and Greenstar Combi models available in sizes from 57 to 151 MBH inputs.

Upgrade to the latest, affordable heating technology.

The Greenstar boiler by Bosch is small in size but big in features. It is ultra quiet, space saving, environmentally friendly, uses

modern condensing technology, and offers a superior industry warranty. All at a great price!

95%	But more importantly it will
AFUE	keep your home warm and
	comfortable. The Greenstar is
	available in two models—combi
	for space and tankless water
	heating or the space heating
	model which can be used with
	our DHW tanks. The Greenstar
	is Bosch quality and innovation
	at its finest.

Features

uWall mounted—no floor space required

uEasy to install—hydronic manifold and integral pump make installation quick and easy

uFully modulating fan with 5 to 1 turndown for optimal combustion efficiency

uCombi models provide space heating & tankless DHW flow rate up to 4 GPM

uSuperior warranty—limited lifetime heat exchanger and 5-year parts & labor§

Low NOx

§Copies of original warranties in their entirety are available at www.boschheatingandcooling.com