Navien NCB-240E Boiler

<p><img loading="lazy" decoding="async" class=" wp-image-10926 alignright" src="https://cozycomfortplus.com/wp-content/uploads/2017/12/dual-input.png" alt="dual-input" width="126" height="91" /></p> <p><strong>Dual inputs of up to 120k BTU/H for heating and 199k BTU/H for DHW</strong><br /> Supplies all the heat and domestic hot water that most houses require.</p> <p><strong>PVC Venting</strong><img loading="lazy" decoding="async" class=" wp-image-10938 alignright" src="https://cozycomfortplus.com/wp-content/uploads/2017/12/pvc-venting.png" alt="pvc-venting" width="125" height="90" /></p> <p>Low exhaust gas temperatures allow use of PVC, CPVC, ULC S636 and polypropylene vent systems, reducing installation time and costs. The system can use 2″ venting for up to 60′, or up to 150′ with 3″ venting.</p> <p><strong>4.5 GPM@77° temperature rise for domestic hot water</strong><img loading="lazy" decoding="async" class=" wp-image-10929 alignright" src="https://cozycomfortplus.com/wp-content/uploads/2017/12/gpm.png" alt="gpm" width="126" height="91" /></p> <p>Separate stainless steel flat plate heat exchanger for DHW creates the highest flow rate for any combi boiler in the industry.</p> <p><strong>Low gas pressure operation</strong><img loading="lazy" decoding="async" class=" wp-image-10930 alignright" src="https://cozycomfortplus.com/wp-content/uploads/2017/12/low-gas-pressure.png" alt="low-gas-pressure" width="125" height="90" /></p> <p>Our negative pressure gas valve ensures maximum performance all the way down to the minimum gas pressure of 3.5″ of the water column.</p> <p><strong>Turn down ratio of 6:1 for heating and 11:1 for DHW<img loading="lazy" decoding="async" class=" wp-image-10939 alignright" src="https://cozycomfortplus.com/wp-content/uploads/2017/12/ratio.png" alt="ratio" width="131" height="94" /></strong><br /> The sophisticated gas flow control system provides a high turndown ratio, reducing energy waste and excessive boiler cycling and enhances temperature control for DHW.</p> <p> </p> <p><strong>Uses existing ½” gas piping</strong></p> <p><img loading="lazy" decoding="async" class=" wp-image-10928 alignright" src="https://cozycomfortplus.com/wp-content/uploads/2017/12/gas-pipes.png" alt="gas-pipes" width="136" height="98" />Save time and effort in retrofit applications with ½” gas lines for up to 24′.</p> <p> </p> <p> </p> <p><strong>Dual stainless steel heat exchangers</strong><img loading="lazy" decoding="async" class=" wp-image-10925 alignright" src="https://cozycomfortplus.com/wp-content/uploads/2017/12/dual-heat-exchange.png" alt="dual-heat-exchange" width="135" height="97" /></p> <p>Resist corrosion better than copper to provide longer life.</p> <p> </p> <p><img loading="lazy" decoding="async" class=" wp-image-10924 alignright" src="https://cozycomfortplus.com/wp-content/uploads/2017/12/contractor-ncb.png" alt="contractor-ncb" width="146" height="105" /></p> <p><strong>Space saving design</strong><br /> Occupies 80% less space than a traditional floor standing boiler and storage tank.</p> <p> </p> <p><strong>Field gas convertibility</strong><img loading="lazy" decoding="async" class=" wp-image-10927 alignright" src="https://cozycomfortplus.com/wp-content/uploads/2017/12/field-gas.png" alt="field-gas" width="137" height="99" /></p> <p>Dual venturi system allows for easy field convertibility from NG to LP operation. Orifice for LP conversion included.</p> <p> </p> <p><strong>Linkability</strong></p> <p><img loading="lazy" decoding="async" class=" wp-image-10942 alignright" src="https://cozycomfortplus.com/wp-content/uploads/2017/12/linkability.png" alt="linkability" width="135" height="98" />For extraordinarily large domestic hot water flow demand, the NCB-E can be cascaded with our NPE units.</p>

<p><strong>NCB-E Applications</strong></p> <p><img loading="lazy" decoding="async" class=" wp-image-10932 alignright" src="https://cozycomfortplus.com/wp-content/uploads/2017/12/NCB-E-Applications-.png" alt="NCB-E Applications" width="295" height="217" srcset="https://cozycomfortplus.com/wp-content/uploads/2017/12/NCB-E-Applications-.png 902w, https://cozycomfortplus.com/wp-content/uploads/2017/12/NCB-E-Applications--510x376.png 510w, https://cozycomfortplus.com/wp-content/uploads/2017/12/NCB-E-Applications--300x221.png 300w, https://cozycomfortplus.com/wp-content/uploads/2017/12/NCB-E-Applications--768x566.png 768w" sizes="(max-width: 295px) 100vw, 295px" /></p> <ul> <li>Air Handler</li> <li>Hydronic Heating</li> <li>Hydronic fan coil</li> <li>Baseboard radiator</li> <li>Radiant floor</li> </ul>

<p><strong>Manifold Kits</strong><br /> For fast installation and maximum efficiency, install our system matched manifold kits.<img loading="lazy" decoding="async" class="wp-image-10943 alignright" src="https://cozycomfortplus.com/wp-content/uploads/2017/12/secondary-manifold-1.png" alt="" width="258" height="223" /></p> <p><img loading="lazy" decoding="async" class="wp-image-10931 alignleft" src="https://cozycomfortplus.com/wp-content/uploads/2017/12/Manifold-Kits.png" alt="Manifold Kits" width="168" height="188" srcset="https://cozycomfortplus.com/wp-content/uploads/2017/12/Manifold-Kits.png 306w, https://cozycomfortplus.com/wp-content/uploads/2017/12/Manifold-Kits-268x300.png 268w" sizes="(max-width: 168px) 100vw, 168px" /></p>

<p><strong>Optional Wi-Fi remote control system</strong><br /> NaviLink makes it easy to communicate with your Navien systems anywhere internet service is accessible. The NaviLink module attaches easily to any new or existing* Navien NPE Series tankless water heater, NCB-E Series combi‐boiler and NHB Series boiler.</p>