GB142/45 Condensing Gas Boiler, 124,000 BTU


Brand: Buderus

Mfr Part#: 7738002998

Model: GB142/45

Usually ships: within 2-3 business days
Qty Price
$4,685.95 / each & Free Shipping
  • Description
  • Literature
  • Reviews
  • FAQs

Bosch (Buderus) GB142/45 model, wall-hung, heat-only residential gas condensing boiler with 124,000 BTU (Net) rating. Energy Star rated. Includes pre-fabricated 1-1/2" low-loss header manifold, AM10 outdoor reset control, LPG conversion kit, 3" twin pipe vent adapter and DHW sensor for indirect tank.

Technical Specifications:

  • Input (BTU): 160,900;
  • DOE Rating (BTU): 143,000;
  • Net IBR Rating (BTU): 124,000;
  • Efficiency (AFUE): 95%;
  • Boiler Type: Condensing;
  • Turndown (Modulation) Ratio: 5 : 1;
  • Fuel Type: Natural Gas (NG) or Propane (LP);
  • System Type: Hydronic (Hot Water);
  • Gas Connection: 3/4" NPT;
  • Condesate Amount Produced: 4.7 Gal/hr (@ 104°F/86°F);
  • Max. Working Pressure: 58 PSIG;
  • Max. Output Water Temperature: 194°F;
  • Vent Size: 3";
  • Vent Material: PVC, CPVC, ABS;
  • Inlet Gas Pressure (WC): 3.5 - 10.5" (for NG), 8 - 13" (for LP);
  • Max. Elevation: 10,200 ft;
  • Mounting Type: Wall-hung (wall-mounted);
  • Dimensions (Depth x Width x Height): 18-3/4" x 35-1/2" x 28";
  • Weight (lbs): 143;
  • Water Volume (gallons): 0.93.
No reviews yet
Indicate an email address where you wish to receive the answer to your question.
Enter numbers shown above without spaces. This step helps us to prevent automatic submissions.
The following was added to your shopping cart: ×

Forgot Your Password?

Enter your e-mail address below.
You will receive an e-mail
with password reset instructions.


Estimate Delivery Date & Cost

Ship to Zip Code:
Qty (Optional):

Free pickup available for all "In-Stock" items!

Order now and we'll have your order ready in 1 hour or less.

Pickup window: 11:00am to 4:00pm, Monday through Friday

Location: 5407 Foster Ave, Brooklyn, NY 11234