Description
Rebate:
This boiler meets the requirements for a federal tax credit and qualifies for a 30% (up to $600) rebate.
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Bosch Greenstar series, 131-ZWB35-3 model, wall-mounted combi gas condensing boiler (heat + tankless DHW) with 103,000 kBTU (Net) rating. Energy Star rated. Built-in pump, heat exchanger and expansion tank. Includes LPG conversion kit, 3″ twin pipe adapter and outdoor reset control.
Technical Specifications:
- Input (BTU): 36,000 – 131,900
- DOE Rating (BTU): 118,000
- Net IBR Rating (BTU): 103,000
- Efficiency (AFUE): 95%
- Boiler Type: Condensing
- Turndown (Modulation) Ratio: 5 : 1
- Fuel Type: Natural Gas (NG) or Propane (LP)
- System Type: Hydronic (Hot Water)
- Boiler Connections: 1″ NPT
- Gas Connection: 3/4″ NPT
- Condesate Amount Produced: 0.8 Gal/hr (@ 86°F)
- Max. Working Pressure: 30 psi
- Max. Boiler Output Water Temperature: 190°F
- Domestic Water Connections: 3/4″ NPT
- Vent Size: 2″ (up to 81ft w/ 1 elbows) or 3″ (up to 100ft w/ 4 elbows)
- Vent Material: PVC, CPVC, Single Wall (Rigid) PolyPropylene, Flex PolyPropylene, Cat III St. Steel
- Inlet Gas Pressure (WC): 3.5 – 10.5″ (for NG), 8 – 13″ (for LP)
- Max. Elevation: 6,000 ft
- Mounting Type: Wall-hung (wall-mounted)
- Dimensions (Depth x Width x Height): 13.9″ x 17.4″ x 33.5″
- Weight (lbs): 110.2
- Water Volume (gallons): 0.952
- Max. DHW Flow @ 72°F Rise: 3.2.
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