Sold out



Indoor Direct Vent Combination Boiler (Standard Vent Convertible) with Built-In Pump, max 199,900 Btuh DHW, 11.1 Gpm, 120,000 Btuh Space Heating

The NRCB is the first and only combination boiler on the market that can simultaneously provide hot water for both domestic use and space heating. �This gas fired condensing combination boiler and water and heater delivers state of the art technology while touting Energy Star® MOST EFFICIENT status (95% AFUE). �Designed for residential and light commercial applications NRCB's are equipped with High-Grade 316L Stainless-Steel Heat Exchangers for durability and longevity. �They also feature built in customizable programming for maximum energy savings. NRCB models can be vented using Schedule 40 PVC, CPVC and PP Venting �(2" - up to 50 ft. / 3" - up to 100 ft.) Optional Plastic Rain Cap (PRC-1); Atmospheric conversion kit (SV-CK-2) and horizontal termination hood (PVT-HL) are sold separately . �Isolation valve kit (IK-WV-200-1-XX-LF-1) required for installation sold separately.�

Product downloads

  • Features


    • 2" or 3" PVC, CPVC, PP Venting Options
    • Simultaneous domestic hot water and space heating
    • Heat Exchanger manufactured from commercial grade copper, 25% thicker piping than standard models