Vitodens 100-W - 91,000 BTU - Hot Water Boiler - NG - 95.2% AFUE - Direct Vented - Up to 5,000 ft altitude

Viessmann - WB1B 26 - 91,000 BTU - Gas-Fired High Efficiency Condensing Hot Water Boiler - Natural Gas - 95.2% AFUE - Direct Vented - Up to 5,000 ft altitude - Packaged - DHW Ready - 7459301

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Product Overview

Viessmann Vitodens 100-W - 91,000 BTU - Hot Water Boiler - NG - 95.2% AFUE - Direct Vented - Up to 5,000 ft altitude

The Viessmann WB1B-26 Vitodens 100-W Gas Fired Hot Water Boiler is the perfect mix of performance, quality, and value. Through a condensing design and stainless steel heat exchanger, this gas fired, wall-mounted boiler achieves a high efficiency of 95.2% A.F.U.E. and a maximum input of 91,000 BTU/hour. The WB1B-26 Vitodens 100-W Gas Fired Hot Water Boiler is built for use with vertical or horizontal direct venting. The boiler comes equipped with built-in automatic frost protection, allowing the boiler to be shut-off for extended periods of time without worry of freeze damage.

Viessmann WB1B-26 Vitodens 100-W Gas Fired Hot Water Boiler Features:

Modulating stainless steel burner
Direct venting
Wall mounted
95.2% AFUE
Automatic frost protect

Viessmann WB1B-26 Vitodens 100-W Gas Fired Hot Water Boiler Warranty:

Limited lifetime parts warranty

Product Accessories

	UPS15-58FC 3-Speed Circulator Pump, 1/25 HP, Cast Iron, 115V, Flange Mount Grundfos UPS15-58FC 3-Speed Circulator Pump, 1/25 HP, Cast Iron, 115V, Flange Mount	$85.95 Add to cart
	1/2" AutoFill & Back Flow Preventer Combination, Sweat, 573009A Caleffi, 1/2" Sweat AutoFill & Back Flow Preventer Combination, 1/2" Swt Inlet 1/2" NPT Outlet,573009A, Hot Water Systems, Glycol Solution, Radiant Heating	$105.95 Add to cart
	Extrol-15 , Extrol Expansion Tank # 15 - 2 Gallon Bladder-Type Extrol-15 , Extrol Expansion Tank # 15 - 2 Gallon Bladder-Type, For use with closed hydronic heating and cooling systems	$52.95 Add to cart
	Low-Loss Header Immersion Temperature Sensor Viessmann - Low-Loss Header Immersion Temperature Sensor - for WB2B Boilers - 7179488	$96.95 Add to cart
	1-1/4' NPT - Low-Loss Header - 17.5 GPM Viessmann - 1-1/4' NPT - Low-Loss Header - 17.5 GPM - with Insulation - 7498529	$242.95 Add to cart
	60/100 mm - Coaxial Horizontal Vent Kit Viessmann - 60/100 mm - Coaxial Horizontal Vent Kit - 7424119	$352.95 Add to cart

Product Specifications

General Data
Product Line	Vitodens
Medium	Hot Water
Fuel Type	Natural Gas
Combustion Type	Condensing
Vent Type	Direct
DHW Production	Available
Modulating/Staging	Modulating
Mount Type	Wall
Minimum Altitude (Feet)	0
Maximum Altitude (Feet)	5
Includes Pump	No
Assembly Type	Packaged
Convertible	Available
Performance Data
Maximum Input Capacity (BTU)	91,000
Minimum Input Capacity (BTU)	37
Input Capacity Range	Residential (Under 300,000 BTU)
DOE Heating Capacity (BTU)	83
Net I=B=R Capacity (BTU)	72
Efficiency (%)	95.2
Electrical Data
Voltage (Volts)	120
Phase	1
Frequency (Hertz)	60
Dimensions
Primary Vent Pipe Diameter (Inches)	2 3/8
Gas Connection Size (Inches)	3/4
Boiler Supply (Inches)	3/4
Boiler Return (Inches)	3/4
Product Height (Inches)	28 1/2
Product Width (Inches)	15 3/4
Product Depth (Inches)	14 1/8
Product Weight (Pounds)	78
Shipping Weight (Pounds)	95
Warranty
Parts Warranty (Years)	2
Heat Exchanger Warranty (Years)	10
Certifications
Energy Star Listed	Yes
CSA Listed	Yes
ASME Certified	Yes
AHRI Certified	Yes
Country of Origin	Germany