Best Biasi Advance Plus 7 Combi ERP Boiler for Larger Home | Ultimate Reviews, Price Comparision


Best in the market!

(Price Comparisons, Buying Guide And Reviews)

The main purpose of boilers is to produce a good reservoir of heat energy through steam under pressure that can be readily converted into work inside heat Engines.

Other uses include using the steam reservoir for heating and drying purposes at home and Industry and for large scale industrial cleaning purposes.

Many people prefer furnaces over boilers for heating their homes. But our research tells you why a boiler is more suited than a furnace.

A furnace utilizes a fuel like gas, oil or electricity to make heat. The warmth is moved to air by a warmth exchanger. This warmed air is then dispersed all through your home by a progression of channels.

A boiler, or a hydronic warming framework, utilizes a fuel source to warm a liquid – typically water or glycol – which is then pumped through your hydronic warming framework to different gadgets, for example, radiators, in-floor warming circles, and so forth to warm your home. A boiler can likewise be utilized as your home’s heated water storage, giving high temp water to your kitchen, washrooms and garments washing, just as for different types of warming. Boiler heat doesn’t need ductwork and can regularly be found in more established homes.

Advance Plus 7 boilers accompany a far-reaching long-term warranty, subject to terms and conditions, which you can download from the warranty section. All Advance Plus boilers accompany worked in frost protection, which prevents the boiler from freezing throughout the cold weather months. The boilers additionally have an implicit segment against seizure schedule that stops parts seizing during times of inactivity. The range arrives in a 25kw, 30kw and 35kw, making them appropriate for most homegrown establishments.

Buying Guide

Key Features of boilers-

Condensing vs. Non-Condensing
All boilers are either condensing or non-condensing. A condensing boiler concentrates water vapor produced in the heating process and uses waste heat to preheat cold water entering the boiler. Condensing boilers are extremely energy efficient because they can provide ample heat while operating at lower temperatures.

Non-condensing boilers typically operate at higher temperatures, and some heat ends up being vented outside. Non-condensing boilers are 80 percent to 88 percent efficient, while condensing boilers have efficiencies greater than 88 percent.

Sealed Combustion vs. Non-Sealed Combustion
Boilers are either sealed-combustion or non-sealed combustion units. You should buy one that is sealed combustion because it brings outside air into the burner and directs exhaust gases outside. Non-sealed combustion boilers draw heated air in and then send it up the chimney, wasting the energy used to heat the air. Also, sealed-combustion boilers won’t introduce dangerous gases into your home.

How the heat is distributed?

Steam Radiators

Steam heating is one of the oldest heating technologies, and upright metal steam radiators positioned along walls in older homes are common. They can provide consistent, comfortable heat.

Steam radiators need some simple maintenance to work properly and efficiently. In addition, a radiator can warp or create a groove in the floor. If that happens, the radiator may tilt, causing it to make loud banging noises. Plus, steam radiators on exterior walls can radiate some heat to the outdoors, and limit your ability to position furniture around the room.

Hot Water Radiators

More common in newer homes, hot water radiators run along a room’s baseboard or stand upright like a steam radiator. Hot water radiators can reduce your home’s energy consumption because they allow you to control the temperature of each floor or a large space. A heating professional can install automatic valves on the radiators, and connect them to separate thermostats.

The most common problem with hot water radiators is unwanted air in the system. Plus, like steam models, upright hot water radiators can limit your ability to position furniture.

Hydronic Radiant Floor Heating

Hydronic (water) systems are the most common radiant floor heating systems. A boiler heats water and flows it to tubing under the flooring, which acts as a giant radiator. Hydronic systems can heat a whole house, but they’re mainly used to heat a single room or area, and some can be zoned so thermostats regulate each space.

Hydronic radiant heating is more efficient than baseboard heating and usually more efficient than forced-air heating, too. It also doesn’t distribute allergens like forced-air systems can, and uses little electricity. However, hydronic systems can be expensive to install and to repair, and may not be as efficient if the floor is covered with thick carpeting.

– 400 MM
D – 350 MM
25 kW98%£597.60
– 400 MM
D – 350 MM
30 kW98.9%£598.80
– 450 MM
D – 360 MM
35 kW99%£642.00


The Advance Plus range‚ is the most recent in insightful gas boiler innovation from Biasi. All models are outfitted with front-line quad processor innovation – meaning‚ if the boiler builds up a fault‚ it will keep on working securely without totally closing down.

Notwithstanding being incredibly compact‚ Advance Plus gives the most extreme energy effectiveness to give you lower fuel bills. The Advance Plus arrives in a reach which can fulfill practically any homegrown necessity.,exercise%20routine%20and%20frost%20protection.&text=Biasi%20Advance%20Plus%207%2035C%20Gas%20Combi%20Boiler%20is,out%20of%205%20by%201.


  • Build in digital control
  • Unique Giannoni Heat exchanger
  • Designed for quick and easy installation
  • A-rated for efficiency
  • Compact


  • Not great for homes with multiple bathrooms


  • Model-25KW
  • Warranty-7 years
  • Heating Gross Input-22.5
  • Heating Max Output 60/80 °c-19.5
  • Heating Min/Max Temp-25/85
  • DHW Gross Input-27.8
  • DHW Max Output-26.6
  • DHW Flow Rates (30°c Rise)-13.3
  • DHW Flow Rates (35°c Rise)-11.4
  • DHW Min Pressure-0.3
  • NOx  -5/17
  • Heating Label       -A
  • Sound Level -52
  • Dimensions- 700 ×400 ×350
  • Weight-33.0


The Advance Plus 7 territory is the most recent savvy gas boiler, all models are outfitted with forefront quad processor innovation, making them very dependable and efficient. Safety is consistently vital to Biasi, all cutting-edge boilers would have some sort of lock-out frameworks should a flaw or interference to the gas flexibly happen.



  • Max. Domestic Hot Water Output: 36kW
  • Max. Central Heating Output: 30kW
  • Stainless Steel Heat Exchanger
  • Compatible with Solar Panels
  • 7 Year Manufacturer’s Guarantee
  • LCD Display
  • Visible Pressure Gauge


  • No backup immersion heater


  • Model- 30kW
  • Warranty-7 years
  • Heating Gross Input- 27.8
  • Heating Max Output 60/80 °c- 24.4
  • Heating Min/Max Temp- 25/85
  • DHW Gross Input-33.3
  • DHW Max Output-31.9
  • DHW Flow Rates (30°c Rise)-16.2
  • DHW Flow Rates (35°c Rise)- 13.5
  • DHW Min Pressure-0.3
  • NOx  – 5/18
  • Heating Label       – A
  • Sound Level – 52
  • Dimensions- 700 ×400 ×350
  • Weight- 34.5


The distinction with the Advance Plus is that if this occurs and the gas flexibly restores, the boiler perceives this and gets the security lockout without the need for any human intervention. We have given this reach a straightforward up/down mode to control your warming and heated water temperatures. A discretionary and simple to utilize 24hr mechanical clock is accessible, it fits perfectly into the control cushion on the facade of the boiler, permitting you to control when your warming turns on and off during the day while getting a charge out of moment heated water as and when required.



Weather compensation and fuel saving technology
• Filling loop & Pre-pipe fixing kit included
• Simple to use controls with self-diagnostic
• Built-in anti-seizure function and frost protection
• Full range of optional flue accessories
• Compliant with the requirements of Building Regulations
• Intuitive to lifestyle and logs usage patterns.


  • Slower water rate


  • Model- 35kW
  • Warranty-7 years
  • Heating Gross Input- 33.3
  • Heating Max Output 60/80 °c- 29.5
  • Heating Min/Max Temp- 25/85
  • DHW Gross Input-37.7
  • DHW Max Output-36.4
  • DHW Flow Rates (30°c Rise)-19.2
  • DHW Flow Rates (35°c Rise)- 15.6
  • DHW Min Pressure-0.3
  • NOx  – 5/22
  • Heating Label       – A
  • Sound Level – 53
  • Dimensions- 850 ×450 ×360
  • Weight- 34.5

Fun Facts You Need To Know!!

How combi boilers work?

Combi boilers give a “combination” of prompt high temp water and compelling focal warming. These systems have two autonomous warmth exchangers; one that connects to your radiators (regularly warmed straightforwardly by the fuel source), and another that interfaces with your high temp water gracefully (ordinarily a water to water heat exchanger).

Combi boilers work by flagging a sensor whenever you’ve mentioned heated water which advises the boiler to consume fuel (regardless of whether gas, electric or oil). The warmth exchanger at that point gets sufficiently hot to warm the water when it streams over it.

The control valves inside combi boilers work in various ways to each other. Thusly, the system will either ship boiling water to your radiators or to your high temp water tap – notwithstanding, this won’t be done simultaneously and the heated water circuit typically takes need. You can utilize warming controls to set your warming to your ideal temperatures.

Dissimilar to warm just and system boilers, combi boilers don’t need any extra tanks or chambers to store high temp water.

How are combi boilers fuelled?

Gas is regularly utilized in the UK to fuel combi boilers, as most homegrown properties are associated with mains gas through an underground organization. By the by, combi systems can be fuelled by oil or LPG, they can likewise be electric. LPG is ordinarily provided in jugs that should be consistently supplanted. Oil, along these lines, is normally put away in a tank which should be topped off once in a while.

Customer Reviews

  • Nicholas Brown
  • 2 reviews
  • GB, Verified

Very good quality boiler for the price…

Very good quality boiler for the price plus 5 year guarantee

  • Giovanni

1 review

GB, Verified


Very reliable assistance, excellent customer service and product. This is our second Biasi , the first one lasted 18 years.

  • Karl

5 reviews

GB, Verified

It is early days of having the boiler…

It is early days of having the boiler but I am very impressed with certain parts of it already it is extremely quiet to the extent that you keep checking to make sure it is working the hot water is extremely hot so hopefully it will power the shower the price was very competitive if I had to criticize something it would just be the size of it but for me it’s in the utility room so no problem

  • Mohamed Nagdi

2 reviews

GB, Verified

This is my third biasi boiler over the…

This is my third biasi boiler over the years always been happy with them

Real Users

What Do Experts Say On Biasi


Biasi offers a wide range of products which can help you and your home to benefit, particularly for your home heating and overall comfort.


One of their main products is their boilers, which have been manufactured in the Biasi state of the art production facility which can be found in Italy.

They claim that these boilers are highly efficient and come in a wide range of power outputs, which means that you should be able to find a boiler that suits you and your home or business. Every boiler is meticulously tested before it leaves the facility, and often have warranties that range from a primary five years to potentially seven years for the advanced boilers on offer. The generous fuelling options mean that your boiler can be situated anywhere in your home, and boiler efficiencies which make them a cost-effective choice too.

Research Methodologies Used For Our In-Depth Research Analysis

  • Energy Efficiency- 92%
  • Erp Rahting heat- A
  • Noise Decibles- 52 dB

The Biasi Advance Plus range of boilers is a unique mix of the latest intelligent gas boiler technology and simple, intuitive controls. Developed to achieve up to 92% efficiency, securing an ‘A’ rating in energy related products classification. LPG convertible combi boiler featuring a Giannoni stainless steel heat exchanger.

The range comes in a 25KW and 30KW option, making them suitable for most domestic installations.


  • How does frost protection work?

When the boiler senses a temperature drop to below 5 degrees it will fire up and warm itself up, this will continue until the temperature rises. Should there be a disruption to the gas supply the boiler will run the pump only in an effort to stop the water freezing within the boiler.

  • What does anti-seizure routine mean?

After a period of 24 hours of inactivity, our boilers energise the pump and motorised diverter within the boiler, to ensure they don’t seize. Dirt and debris within heating systems can settle in these areas, so it’s important to protect these moving parts.

  • How many rads can you run off your boiler?

This question arises quite often and is not an easy question to answer. Radiators have outputs ranging from a couple of hundred watts to multiple kilowatts. A boiler with 30kw output to the heating system can supply 30 1kw output radiators. The correct way to solve this question is to calculate the total output for the radiators in the property and then source a boiler of sufficient size to comfortably support the heat output requirements. If you are having a system designed from new then your heating engineer can help source the correct radiators and boiler to ensure the correct comfort levels are achieved in each room of your home.

  • Should I drain down my boiler while I’m away from home for long periods?

We would not recommend this, leaving a heating system empty for long periods will allow rust within the radiators to build up and cause components within the boiler to seize. You would also then have to refill the system upon return and ensure you have the correct amount of quality inhibitor and protector within the system. Leaving our boilers on standby will allow the boiler to look after the system for you.

  • Why do some manufacturers use different temperatures when talking about their flow rate?

All boilers are tested at given flow rates, when we say our flow rate is based on 35 degrees Celsius rise, we are stating the cold-water temperature will be raised by 35 degrees celsius. Others use 25 degrees Celsius to try to achieve a better flow rate because the lower temperature of the water allows more water to flow through the heat exchanger. This improves the flow rate on paper but during the winter months when the water coming out of the ground is 2 or 3 degrees Celsius your hot water will not be hot enough.

  • Why does the pump continue after the combi boiler has stopped?

The boiler has a pump overrun facility that ensures any latent heat within the boilers heat exchanger is moved into the heating circuit.


Biasi Advance Plus Combi ERP boilers have many key advantages. Quad-center processor innovation is especially useful, guaranteeing dependability and proficiency. Its minimal measurements make the Biasi Advance Plus Combi ERP unimaginably flexible. The Biasi Advance Plus is a strong performing boiler that expands on Biasi’s standing for dependability and execution.

We recommend you look around while getting Biasi Advance Plus 7 Combi ERP Boiler statements and urge you not to neglect to discover how much the installment will cost you. Along these lines, you’re bound to locate an incredible arrangement on your boiler substitution and you’ll be completely mindful of the relative multitude of fitting costs included. You should likewise pick an engineer that is recorded on the Gas Safe Register and one who is able to introduce your new boiler.

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