Greenstar 151 Condensing Gas Boiler, 117,000 BTU Bosch
Greenstar 151 Condensing Gas Boiler, 117,000 BTU Bosch
Greenstar 151 Condensing Gas Boiler, 117,000 BTU Bosch
Greenstar 151 Condensing Gas Boiler, 117,000 BTU Bosch
Greenstar 151 Condensing Gas Boiler, 117,000 BTU Bosch
Greenstar 151 Condensing Gas Boiler, 117,000 BTU Bosch
Greenstar 151 Condensing Gas Boiler, 117,000 BTU Bosch
Greenstar 151 Condensing Gas Boiler, 117,000 BTU
Brand: Bosch
Part#: ZBR42-3
Model: Greenstar 151
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Rebate:
This boiler meets the requirements for a federal tax credit and qualifies for a 30% (up to $600) rebate. Click here for more info.

Bosch Greenstar series, 151-ZBR42 model, wall-mounted heat-only gas condensing boiler with 117,000 BTU (Net) rating. Energy Star rated. Includes built-in pump, LPG conversion kit, 3" twin pipe adapter and outdoor reset control.

Technical Specifications:
  • Input (BTU): 36,000 - 151,600
  • DOE Rating (BTU): 135,000
  • Net IBR Rating (BTU): 117,000
  • 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: 0.9 Gal/hr (@ 86°F)
  • Max. Working Pressure: 30 psi
  • Max. Boiler Output Water Temperature: 190°F
  • 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 (3% per 1,000ft de-rating)
  • Mounting Type: Wall-hung (wall-mounted)
  • Dimensions (Depth x Width x Height): 13.9" x 17.4" x 33.5"
  • Weight (lbs): 103.6
  • Water Volume (gallons): 0.952.
Write a Review
Helpful? Yes 1 No
Verified Purchase
PexUniverse delivers again!
PexUniverse gives the best prices and gets it to you quickly. My kind of company.
Size: 3/4" Copper x 1" MPT
By Elaine (from Stateline, NV) on 03/02/2021
Helpful? Yes No
Verified Purchase
.
.
Size: 3/4"
By Will (from Wappingers falls, NY) on 08/06/2024
Helpful? Yes No
Verified Purchase
as described
:)
Size: 2"
By Dan (from Bothell, WA) on 04/08/2024
Helpful? Yes No
Verified Purchase
Great
The quality & ease of ordering is great. One of the best sites to shop.
Size: 1/2"
By Richard (from Auburn, CA) on 07/02/2023
Helpful? Yes No
Verified Purchase
Best value
Great value. Shipping is always prompt.
Size: 1/2"
By Richard (from Auburn, CA) on 03/01/2023
Helpful? Yes No
Verified Purchase
Great quality
Great quality and price.
Size: 1/2"
By Richard (from Auburn, CA) on 11/08/2022
Helpful? Yes No
Verified Purchase
Homeowner & Do-it-yourself
Good quality well-formed copper fittings
Size: 1"
By Michael (from Ruth, MI) on 10/29/2022
Helpful? Yes No
Verified Purchase
Copper fittings
Excellent quality and very reasonable prices
Size: 1" Copper x 1-1/4" MPT
By Mike (from Gilbert, MN) on 10/24/2022
Helpful? Yes No
Verified Purchase
Excellent
As described, perfect!
Size: 1" Copper x 3/4" MPT
By Tommy (from Aliso viejo, CA) on 02/15/2022
Helpful? Yes No
Verified Purchase
Copper thread adapter
Delivery and quality as expected
Size: 1/2"
By Robert (from Dousman, WI) on 12/07/2020
Helpful? Yes No
Verified Purchase
Crafter
I had to change company that I previously ordered from. They sold to someone else who was 4 times the amount. Glad to find a good price. The elbows fit nicely.
Size: 1/2" Copper x 3/8" MPT
By Rose (from Galt, CA) on 12/04/2020
Helpful? Yes No
Verified Purchase
Coper to pipe
Delivery and quality as expected
Size: 1-1/4"
By Robert (from Dousman, WI) on 12/01/2020
Helpful? Yes No
Verified Purchase
Good quality
Heavy duty compare to box store equivalent
Size: 1-1/4"
By Michael (from West sayville, NY) on 11/05/2020
Helpful? Yes No
Verified Purchase
Fast Shipping, Excellent product!
First time buyer, I would definitely recommend this store.
Size: 1-1/4" Copper x 3/4" MPT
By Bladimir (from Scottsdale, AZ) on 01/02/2020
Helpful? Yes No
Verified Purchase
1" mpt x cc adapter
Good quality, great price
Size: 1"
By Bernard (from Saranac, NY) on 07/01/2019
Helpful? Yes No
Verified Purchase
Copper
Great product for great price.
Size: 3/4"
By Fred (from Albemarle, NC) on 11/13/2018
Helpful? Yes No
Verified Purchase
Great product
great product and thanks
Size: 1"
By Verified Buyer on 12/05/2015
Helpful? Yes -1 No
Verified Purchase
It's ok...
Could have been the ones I got but, the threading was a little tight right off the bat! didn't cause a problem but wasn't used to the tightening within like 2 threads...
Size: 1/2"
By Mark (from Algonac, MI) on 10/26/2021
Helpful? Yes -1 No
Verified Purchase
just right
needed more
Size: 1"
By jeff (from Cincinnati, OH) on 09/11/2021
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