Seamless Installation Process
Seamless Installation Process | Tankless Water Heater Install | Plumbing | Manchester
Imagine hot water that never runs out and a crew that treats your home like their own—HEP’s seamless installation process makes it possible. From the moment you schedule your tankless water heater install, our Manchester team sets a clear timeline, confirms the right unit for your family’s needs, and arrives with every part on-hand. We protect floors and walls with drop cloths, remove your old system without a trace, and configure the new, energy-efficient heater so it integrates perfectly with existing plumbing and gas or electric lines.
Before we leave, our licensed technicians perform a multi-point performance test, walk you through the digital controls, and haul away all debris, leaving only endless hot water and lower utility bills behind. If any questions pop up after the job, a quick call connects you to the same local experts who completed the work—because HEP believes great service shouldn’t stop when the van pulls away.
FAQs
Why should I choose a tankless water heater instead of a traditional storage tank for my Manchester property?
Tankless (on-demand) units heat water only when you open a tap, eliminating standby losses that occur with storage cylinders. This typically delivers energy savings of 20–40 %, lower monthly gas or electric bills, and endless hot-water supply so family members never "run the tank dry." Tankless heaters are wall-mounted, reclaiming up to 1 m² of floor space—ideal for Manchester’s compact terraced homes and flats. Their average life span is 18–20 years, roughly double that of a cylinder, and many models qualify for Boiler Upgrade Scheme or manufacturer rebates, further reducing long-term costs.
How long does a professional tankless water heater installation usually take, and what does the process involve?
A straightforward replacement in the same location takes 4–6 hours. A first-time conversion from a cylinder typically requires a full working day (6–8 hours) because we must: 1) isolate and drain the old tank; 2) upgrade the gas line to the 22 mm diameter most on-demand units need; 3) mount the new appliance on a load-bearing wall; 4) install concentric flue through the nearest external wall or roof; 5) connect cold supply, hot outlet, condensate and pressure-relief lines; 6) flush the heat exchanger with inhibitor solution to remove flux and limescale; 7) commission the unit, set flow temperature, and register the appliance with Gas Safe and the local authority as required by Building Regulations Part L.
Do I need any permits or special certifications for a tankless installation in Manchester?
Yes. In the UK any gas-fired water heater must be installed and commissioned by a Gas Safe–registered engineer. After completion we notify Manchester City Council’s Building Control electronically, and you receive a Building Regulations Compliance Certificate within 10–14 days. Homeowners do not usually need additional planning permission unless the flue terminates on a listed façade or in a conservation area. For electric tankless units above 3.68 kW, Part P electrical notification applies. We handle all paperwork, so you remain fully compliant and protected for insurance and future property sales.
How do I know what size (flow rate) tankless water heater I need?
Sizing is based on two factors: 1) peak simultaneous demand—how many showers, taps or appliances may run together—and 2) the temperature rise required to heat Manchester’s 10 °C mains water to your desired 50–55 °C. An average household of four with one bathroom and one kitchen typically needs a unit delivering 15–17 litres per minute (LPM). Homes with two bathrooms or rainfall showers may require 20–24 LPM or a cascaded twin-unit setup. During your free survey our engineer measures flow rates, sketches pipe runs, checks gas meter capacity and water pressure, then recommends an appropriately sized appliance so you always have hot water without overspending on an oversized model.
What will a tankless water heater installation cost in Manchester, and what affects the price?
For a like-for-like swap the total cost—including labour, flue kit, fittings and VAT—starts from £1,350. Converting from a cylinder averages £1,800–£2,400 because we add a larger gas line, relocate pipework, and dispose of the old tank. Factors that raise or lower price include: appliance brand and warranty length (e.g., Vaillant vs. budget models); whether you need a water softener due to Greater Manchester’s moderately hard water; flue length/roof penetration; and electrical upgrades for boost pumps or smart controllers. All quotations are fixed-price and itemised, so there are never surprise extras.
What maintenance is required after installation, and what kind of warranty do you provide?
Manufacturers require an annual service by a Gas Safe engineer to maintain warranty coverage. The service includes cleaning the combustion chamber, checking CO/CO₂ ratios, inspecting the condensate trap, and descaling or flushing the heat exchanger if water hardness exceeds 150 ppm. We offer a low-cost service plan starting at £9.50 per month that covers labour, priority call-outs, and the Gas Safety certificate. Units we install come with a 5-year parts and labour warranty as standard, extendable to 10 or 12 years when you register within 30 days and keep up annual servicing. This gives you long-term peace of mind and maximum return on your investment.