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Optimal efficiency from Navien gas boilers

Navien’s range of condensing gas boilers includes four combi and four system models, with outputs from 20kW to 40kW. The range is OpenTherm-ready, allowing for instant access to the latest heating control technology.

Every Navien NCB gas boiler has a stainless-steel heat exchanger and digital display panel, with 40kW models benefiting from a turndown ratio of 10:1. These quiet-running units use 60/100mm plastic flues and are supplied with a free LPG conversion kit. The range also offers flue length capabilities of up to 21m, for flexible siting.

The intuitive Smart Plus control includes smart weather forecasting and geofencing capabilities to ensure comfort and energy efficiency, while all devices are three-zone ready and have smartphone connectivity. Adding the control to the gas boilers also improves energy efficiencies, raising their overall ErP rating to A+.

National business manager Jason Davies says: “We are committed to delivering industry-leading products, to ensure installers and end users benefit from high levels of quality and reliability. The NCB gas combi and system boilers utilise the latest in heating technology, while delivering optimal efficiencies, controllability and reduced energy bills.”

www.navien.co.uk

Ariston pumps up its Nuos water heaters

Ariston has unveiled its Nuos Plus Wi-Fi heat pump water heater. Available in a 200 litre direct (200D) and 250 litre indirect (250I) model, the units combine a floor-standing unvented cylinder with an air source heat pump water heater. They have COP of up to 3.14 and produce only 51dB of noise, similar to a fridge freezer.

The new models have an extended operating temperature range of -10°C to 42°C and are 80 per cent more energy efficient than traditional cylinders of the same capacity. The Nuos Plus Wi-Fi 200D heats up from cold in less than four hours, and BusBridgeNet technology means the Nuos Plus Wi-Fi 250I can be fully integrated with Ariston’s boilers via the company’s Sensys controls.

The heat pump water heaters have three different modes. Green ensures that the only heating source is the heat pump itself and the maximum hot water temperature achievable is 62°C. For faster reheat times, in Comfort mode the heating element either replaces or assists the heat pump to replenish the water as quickly as possible. Boost switches on the heat pump and heating element at the same time until the desired temperature is reached. A touch-button interface combines with Wi-Fi control via the Aqua Ariston Net app. Through the app, users can shuffle through modes and turn on the unit remotely for a hot shower at the perfect time.

www.ariston.com/uk

Wiser adds controllers for complete home heating solution

An underfloor heating controller and electrical heat switch have been added to Drayton’s intuitive Wiser heating control system, providing control of different types of heating configuration.

With the introduction of the new dedicated heat pump setting, Wiser can now be used with any type of heating system. These additions are an integral part of Wiser’s development into a full smart and sustainable home system. As part of this transition, the Wiser app has been renamed Wiser Home.

The underfloor heating controller and electrical heat switch enable users to control both electric radiators and underfloor heating via the Wiser Home app, in addition to the standard radiators that most will still have in their homes.

The underfloor heating controller can be integrated into all heating systems and configurations. It provides heating and cooling functions and can control up to six zones on separate schedules when paired with a room thermostat.

The electrical heat switch has a 16A relay for electrical heating and, because it is hard wired, can act as a range extender for the entire Wiser Home system. The switch is compatible with electric radiators and towel rails, electrical underfloor heating, plinth heaters and infrared panel heaters.

Drayton managing director Remi Volpe says: “Not only have installers got an efficient and reliable solution, but homeowners can have greater control over mixed heating systems for the highest level of efficiency.”

Heat pumps maintenance kits from Grant UK

Grant UK’s new heat pump maintenance kit contains everything you need to look after the Aerona³ air source heat pump. Kits are available to members of the G1 Installer Scheme and to heating engineers who complete air source heat pump product training at one of the company’s training academies.

The kit contains core items for servicing a Grant heat pump, all supplied in a compact bag, including a 5 litre Spear and Jackson water sprayer, Kane voltage tester, soft bristle brush, PZ1 Stubby Pozidrive screwdriver, 3mm flat head electrical screwdriver, refractometer and lightweight protective work gloves.

Annual servicing is recommended on all Grant heat pumps.

Competition

Win a KANE this Christmas

This month, KANE and Registered Gas Engineer have teamed up to give one lucky reader a fantastic Christmas present. Just enter for your chance to win a KANE458s CPA1 kit with KANE LINK, and a pair of wireless temperature probes.

KANE’s biggest competition to date gives you the chance to win the very latest KANE458s CPA1 kit with KANE LINK wireless technology, and a pair of wireless temperature probes, KANE-WPCP2.

The KANE458s has all the features you’d expect from a KANE FGA to enable you test oil, domestic gas, biomass and commercial appliances up to 120kW.

With the latest upgradeable sensor technology, and wireless as standard, the latest KANE458s also connects to KANE LINK-enabled devices to remotely check heating systems. Additional devices also check air conditioning units and kitchen fans or test rooms for CO. Backed by: • A 10-year no-quibble warranty when serviced and recertified by KANE • 5-star Trustpilot customer reviews • KANE CARE – our promise to never let you down.

More details at:

www.kane.co.uk/ launch21

Worth £1,000+

Your chance to win

For your chance to win, please answer the following question correctly:

How many stars does KANE have on Trustpilot?

A) 1 B) 3 C) 5 Send your answer, plus your name, address and registration number to competition@registeredgasengineer.co.uk One winner will be chosen at random from all correct entries received by the closing date of 31 December 2021.

TERMS AND CONDITIONS

By entering this prize draw, you agree to these terms and conditions: • Registered Gas Engineer and KANE do not accept responsibility for lost, delayed, corrupted or invalid entries. • One winner will be chosen at random from all correct answers submitted in accordance with these terms and conditions. • The winner will be notified by email. The judges’ decision is final and no correspondence will be entered into. • The prize cannot be substituted or upgraded. • The prize is non-transferable and there is no cash alternative. • Registered Gas Engineer and KANE may disqualify you from winning if they have reasonable grounds to suspect that you are in breach of these terms and conditions or your participation is fraudulent or otherwise unlawful. • This draw is not open to employees of KANE,

Gas Safe Register or Registered Gas Engineer or their direct family members or agents. • Registered Gas Engineer and KANE do not accept any responsibility for any network

connection, technical failure or other problem in any telephone line, network, system, provider or otherwise which results in any entry not being properly recorded or received. • One entry per person. • Your entry details will be provided to Intergas, which may use them for marketing purposes.

By entering this competition, you agree that you may receive communications from KANE.

If you do not wish to be contacted, please add

NO COMMUNICATIONS in your email entry.