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  • Please educate me on combi boiler/dhw heaters

    Jun 07, 2013 · With a combi-boiler, no matter who's it is, there is always a heat exchanger involved whereby the house heating water is on one side of the exchanger and the domestic water is on the other side. This means there must be a way for the internal circulator to know whether to run the water through the heat exchanger or directly to the heating system.Get Price

  • Boiler condensate pipe regulations| Living by HomeServe

    Sep 22, 2021 · A condensing boiler is any boiler that uses condensing technology to reuse the heat they generate from burning fuels such as gas or oil. Before 2005, older, non-condensing boilers wasted between 30-50% of heat due to combustion gases escaping via the flue. A condensing boiler, in comparison, can be up to 92% efficient.Get Price

  • NFB-H Series | Series | Navien Inc.

    High efficiency Condensing Heating boiler Navien keeps raising the bar higher and higher in fire tube boiler innovations We totally reinvented fire tube technology from the ground up and we continue to advance our boiler technology to a higher level with the new NFB-H boiler series.Get Price

  • Best temperature setting for combi boiler

    Dec 23, 2020 · "A condensing boiler is one of the most efficient types of boiler. This is because it is able to recover virtually all the heat from the flue gases and use this to heat your home. For the boiler to work at its most efficient, the heat exchanger needs to be equal to or below the dew point temperature.Get Price

  • condensing boilers 5 mw – Gas Boiler Price

    Dec 03, 2019 · In a gas-fired condensing boiler, the water is heated through the heat of combustion, just as with non-condensing boilers. The resulting flue gases are normally passed into the chimney. As a result, the energy contained in the flue gas is lost. 28 mw high pressure boilers – Condensing Boilers 5 Mw – Price

  • Home Heating Guide: Heater, Heat Pump or Boiler?

    Boilers with condensing functions recapture heat that would normally escape, from the flues for example. They increase the efficiency of your boiler by producing more heat for the same amount of fuel when compared with non-condensing boilers. In fact, modern condensing boilers can be 99% efficient at fuel energy extraction.Get Price

  • What temperature should a condensing boiler be set at

    Bosch Singular Boiler Applications. Singular combi wall boilers provide efficient heating and plenty of hot water for many residential applications. There are two different models to choose from: 155K BTU and 199K BTU. Both can make enough domestic hot water for most residential bathing needs.Get Price

  • unimat heating boiler ut l bosch

    The UNIMAT heating boiler UT-L is offered in various sizes and can also be used as a multi-boiler system in pooled output. The heating boiler is CE certified and is designed and equipped in compliance with the Directive Relating to Appliances Burning Gaseous Fuels. It is used for a wide range of applications at low temperatures and pressures.Get Price

  • Ireland's Plumbing & Heating Magazine Issue 104 Nov-Dec

    in homes, which include the biofuel compatible Grant Vortex condensing boiler and the A+++ Aerona 3 R32 air-to- water air source heat pump ranges. Air-to-water heat pumps like the Grant Aerona 3 models are a perfect solution for new builds as the minimised heat loss of these homes perfectly matches this medium temperature technology.Get Price

  • What temperature should a condensing boiler be set at

    A condensing boiler is one of the most efficient types of boiler. This is because it is able to recover virtually all the heat from the flue gases and use this to heat your home. For the boiler to work at its most efficient, the heat exchanger needs to be equal to or below the dew point temperature.Get Price

  • combi-boiler-making-foghorn-noise

    Sep 23, 2021 · Ideal Heating provides high efficiency boilers which include Combi boilers, system boilers and new boilers. Find an installer for a new boiler.. Dec 3, 2019 — I went to the boiler when it happens and the flame icon disappears, it makes the noise for a few seconds and then seems like it fires up again..Get Price

  • ECR Adds Larger Capacity Condensing Floor Standing Models

    Jul 24, 2020 · ECR International is pleased to introduce the addition of four new condensing boilers in the Floor Standing configuration, the MAHF/DCBF-165 Space Heating Boiler and the MACF/DCCF-205 Combi Boiler. These models are an extension of the current product lines, featuring our proprietary artificial intelligent control, or [AI] Control Technology.Get Price

  • Bosch Thermotechnology

    As part of an extensive sustainability programme and after suffering several legacy boiler failures, Royal Grammar School Worcester required a reliable and efficient heating solution across its seven plant rooms, achieved through a combination of our GB162's and plate heat exchangers.Get Price

  • Is a high efficiency, condensing gas boiler the best

    Aug 13, 2018 · The biggest difference between condensing boilers and "conventional", non-condensing boilers is "efficiency". The most efficient boilers keep heat in the house rather than letting it escape through the chimney or vent pipe. An ultra-high efficiency boiler is able to keep more heat in the heating system, but the side effect is condensation.Get Price

  • Navien North America - NCB-190/060H - Combi-Boiler

    Navien North America - NCB-190/060H - Combi-Boiler Specifications: A Navien combi-boiler is a high efficiency boiler and tankless water heater all-in-one appliance that can provide whole house heating for small to large homes, and endless hot water for up to 3 showers and a dishwasher at the same time.Get Price


    Order Online Ravenheat System Boiler today, Certified Product and 24/7 Customer Support, Fast and Free Delivery.Get Price

  • Immergas Intec External Combi Boiler 30kW - The Heater Man

    The Immergas Intect Combi External Boiler is a 30kW condensing boiler, suited for external installation. Combination boilers are the ideal solution as they heat hte hydronic heating system and provide all the hot water requirements from one product – no need for a separate instantaneous hot water unit. The hot water is delivered at mains pressure and the combination boiler will only hat the Get Price

  • Condensing Boilers | Boilers | Products | Residential

    What temperature should a condensing boiler be set at Get Price

  • Commercial Gas Boilers - Condensing- 50kW to 960kW -Nat

    These commercial boilers work in a fully modulating range, which provides energy saving through 1:10 modulating operation for 50kW and 60kW models. 50kW and 60kW gas condensing boiler from Flexiheat UK. and 1:20 for models 75kW, 100kW and 120kW. As the larger units have 2 heat exchangers within the one casing, should one unit fail, you have 50% Get Price

  • 0.1-0.35MW Gas Fired Hot Water Boiler, Electric Hot Water

    0.1-0.35MW: V6 Gas Fired Hot Water Boiler, Electric Hot Water Boiler. We use technology research and development to find new market demand, and use more high-quality products to let more users recognize this clean and environmentally friendly low-cost boiler equipment. The gas vertical hot water boiler and electric hot water boiler introduced Get Price

  • Combi-Boilers – Tankless America

    Navien NCB-250/150H High Efficiency Condensing Combi-Boiler. Navien NCB-250/150H High Efficiency Condensing Combi-Boiler. Regular price. $3,296.25. Sale price. $3,296.25 Sale. Unit price. / per. Navien NCB-240E High Efficiency Condensing Combi-Boiler.Get Price

  • Worcester Boilers | Worcester Bosch Boilers | Wolseley

    Worcester Bosch Greenstar 8000 Style GR8700iW 40 CB NG combi boiler only pack 40kW Black. Worcester boilers, sometimes referred to as Worcester Bosch, are one of the most popular British boiler brands. They make a huge range of boilers including combi boilers, system boilers and heat only boilers, in a range of fuel types beyond just natural gas.Get Price

  • Heat Pump vs. Boiler Comparison: Which is Better

    Heat pump vs boiler: 2 – 0. Round 3 – Heat Pump & Boiler Space. The outdoor fan unit of an air source heat pump usually takes up as much space as a washing machine. This is usually (but not always) connected to an indoor heat exchanger (or hydrobox), which is roughly the same size as a regular boiler.Get Price

  • What temp do most people set their boilers to

    Dec 01, 2015 · Mar 13, 2012. #9. Most condensing boilers condense for longer when the return temp is around 55 degrees. Ideally you want to keep it condensing for longer, for energy efficiency. So the way that I always do it, when setting up a new system or balancing an existing system is: Add the differential across the flow and return onto the 55 degrees Get Price

  • Regulations limiting carbon emissions drive efficiency in

    Oct 11, 2021 · Combi-boilers offer a unique solution in certain applications. Combi-boilers are becoming more popular in the commercial space due to recent developments in fire tube heat exchangers and higher Btu on the domestic hot water side, according to Tommy Olsen, product manager — …Get Price

  • Combi-Boilers | Eco-Friendly & Energy Efficient | Navien

    Explore Navien Combi-boiler Applications. Navien Combi boilers offer endless hot water on demand for any size home, and with heat inputs up to 199,000 BTU/H, they are compatible with a variety of whole house heating applications such as finned tube and cast iron baseboards, radiant floor heating systems, fan coils, radiators, and air handlers.Get Price

  • Hours a day a normal boiler runs?? — Heating Help: The Wall

    On a very hot day (for winter: perhaps 50F outdoors), the boiler did not run at all for downstairs. Most days it runs 8 to 16 hours. Yesterday it ran 12 hours 17 minutes. This was for downstairs. For upstairs, it does not run very much because at 0F outdoors I need only 6500 BTU/hr and 97.5% of the time it does not go below 14F here in NJ.Get Price

  • Just finished installing a Rheem Combi Boiler. Purge

    Obviously this is not a TT / heat demand signal and different route through the heat exchangers The thermostat had about 1.4 ohms as measured not attached at the boiler contacts.This is a Rheem Combi. This looks to be the same OEM at Noritz boilers.Get Price


    Water Circuit Diagram - ELU-85 - 120 Boiler and 120 - 150 Combi Specifications - ELU-85 - 120 Boiler and 120 - 150 Combi Model ELU-85WBN ELU-120WBN ELU-120WCN ELU-150WCN Type Boiler Combi Installation Indoor, Wall Hung, Fully Condensing Space Heating Minimum / Maximum Input (Btu/Hr)1 9,400 / 85,000 13,200 / 120,000 11,200 / 106,000 13,200 / 120,000 Domestic Hot Water Minimum / …Get Price

  • Rheem® Prestige® Series High Efficiency Combi Boiler

    TWO heating solutions IN ONE EFFICIENT PACKAGE. The new Rheem ® Prestige ® Series High Efficiency Combination Boilers offer both space heating and domestic hot water in a single unit. So whether you need the living room to be extra cozy for movie night or you're ready for a hot relaxing bath, the Combi has you covered.Get Price

  • Ideal Logic Heat 15 Boiler Reviews | Boilers | Review Centre

    This boiler is not as noisy as some others i have come across. There are quieter boilers out there but they also cost significantly more to buy. Anyone siting a boiler in an area close to sleeping accommodation needs to choose carefully. The Logic is a sound boiler, very easy to work on and is as reliable as most other modern boilers.Get Price


    7650 601"0. 2 18000 868". 2 System Notes: • The System Pump must be sized to maintain the minimum recommended flow rate through the boilers. The pump must operate continuous or cycle with the boilers. • The by-pass is required for systems designed to operate at flow rate higher than the maximum recom-mended flow rate of the boilers.Get Price

  • Boilers - Heaters - The Home Depot

    Rheem Prestige 9.0 GPM Propane Liquid High Efficiency Combi Boiler with 180000 BTU. Model# RCBH180DVLP. (1) Add To Cart. Compare. Slant/Fin Liberty Heating Oil Hot Water Boiler with 131,000 to 175,000 BTU Input 117,000 to 131,000 BTU Output and Tankless Coil. …Get Price


    May 13, 2014 · The weather compensator does the same depending on the weather (measured using an outside thermometer). This means you can run the radiators cooler when less heating is needed. This is a good thing because condensing boilers are more efficient at lower temperatures: ideally the water returning to the boiler should be no warmer than 55C.Get Price

  • FTVN Series | NTI Boilers

    FTVN Series. The FTVN is a high efficiency, wall hung boiler using a durable, vertical down-fired stainless heat exchanger. With 10:1 modulation and 96% AFU, an integrated ECM pump and DHW diverter, quick connect components, WIFI connectivity for remote monitoring and alert notifications, the FTVN is an ideal solution for your 'peace of mind', home heating needs.Get Price

  • Vitodens 100-W, B1HA/B1KA Gas Boiler | Viessmann US

    The previous generation – get it while you can! Vitodens 100-W is a gas-fired wall-mounted condensing boiler with MatriX cylinder burner and Inox-Radial heat exchanger made of stainless steel. Rated input: 21 to 125 MBH. B1KA model offers on-demand DHW. LCD touch screen.Get Price

  • The 9 Best Combi Boilers of 2021: An Ultimate Guide

    Jun 30, 2021 · Best Combi Boilers– A combination or 'combi' boiler acts as both a central heating boiler and also a high-efficiency water heater in a single compact unit. Combi boilers heat water immediately from the trunks when you turn on a tap so that you do not require a cold water storage tank or a hot water storage cylinder on the rooftop.Get Price

  • Linking two Combi Boilers | DIYnot Forums

    Sep 14, 2007 · The simplest solution is to split the property into two zones each with its own heating area seperately controlled. That makes the zoning cheaper and easier to control from each boiler without any zone valves. If its a school or similar then a combi feeding the kitchen with DHW and a …Get Price

  • Modern HydronicSystem Designs for Condensing Boilers

    • Condensing in boilers for hydronic heating systems –This means the boiler heat exchanger and pressure vessel will not be damaged in a low or no flow 0 25 50. Design -Boilers and Ancillaries Monday, December 01, 2014 Modern Hydronic Designs For Condensing Boilers 31 Get Price

  • Combi Boilers | Central Heating |

    Combi boilers provide heating and hot water solutions in one unit on demand. Combination boilers can be powered by different fuel tyeps and are ideal for new installations or as …Get Price

  • NTI Boilers

    NTI introduces space-saving ultra-high performance wall-mounted indirect water heater with unprecedented installation flexibility. New S20W 20-gallon tanks have industry-best recovery rates and high efficiency Saint John, New Brunswick, Canada – September 29, 2021 – NTI Boilers,….Get Price

  • Installation Manual

    Condensing Combi Boiler Range Combi HE, Slimline Combi & Combipac HE Models Installation Manual. 1 Contents operation and efficiency of all domestic central heating oil boilers. Our boilers and burners are supplied as tel.: +44 (0)345 0869001 International and EC Standards are also available from above.Get Price

  • Condensing Combi Boilers | Triangle Tube

    Prestige Excellence. High efficiency wall mounted gas condensing boiler. 95% energy efficient. Available in a broad range from 80 to 399 MBTU. 439 Stainless Steel Fire Tube Heat Exchanger. Turndown ratios up to 5.5:1. South Coast Air Quality Management District Listed.Get Price

  • Gas Combi Boilers for Hot Water & Space Heating | A. O. …

    What temp do most people set their boilers to Get Price

  • Combi 70 V3 Combi 90 V3 Combi Max Vortex Combi - Grant UK

    4 Combi V3, Combi Max and Vortex Combi models Your Vortex Combi boiler is fully automatic once switched on, and will provide domestic hot water at mains pressure on demand and central heating when the boiler and heating system controls call for it. The boiler On/Off switch incorporates a …Get Price

  • 24 kW Boilers | Central Heating |

    Worcester Bosch Greenstar 4000 LPG Combi Boiler (209PR) Product rating. 0. out of 5 stars. Max. Domestic Hot Water Output: 30kW. Max. Central Heating …Get Price

  • Boilers | Gas Boilers |

    Baxi 619 Heat Gas Heat Only Condensing Boiler (504HG) Product rating. 0. out of 5 stars. Max. Central Heating Output: 19kW. Aluminium Heat Exchanger. Top or Rear Flue Outlet.Get Price

  • Grant Vortex Outdoor Combi Condensing Oil Boiler | Grant

    A high efficiency condensing range of oil-fired outdoor combi boilers designed for cost effective installation, instant hot water production. *One year manufacturer's warranty with five year guarantee on boiler heat exchanger (T&Cs Apply) grant-vortex-pro-external-combi-addendum-installer-add-0123-rev-0-3-november-2018.pdf. AccessoriesGet Price

  • Singular Combi Boilers | Condensing Boilers | Boilers

    Combi Boilers - Efficient Hot Water and Space Heating | A Get Price

  • IBC Superflow SFC Combination Gas Boilers - Condensing

    IBC Super Flow Dual Fired Condensing Combi Boilers - Natural Gas or Liquid Propane Gas - SFC 125 and SFC 199 models up to 199,000 Btu's . The IBC SFC dual fired combi boiler - the SFC provides not only high-efficiency space heating, but unrivaled domestic hot water efficiency too. We call this 'Double HE'.Get Price