How To Fix a Lazy Radiator

WrightChoice Radiator Flow Booster is the perfect solution to prioritising the hot water flow to a Lazy Radiator. A radiator on a separate long run can often suffer since the resistance to flow means that other radiators get the hot water in priority above that of the Radiator you want to get hot. 

The Standard WrightChoice Radiator Flow Booster is sized to supply up to 4 radiators and we have a high flow version of the pump to serve up to 7 radiators. Our flow booster takes just enough water to feed the lazy shower (or showers), leaving the rest of the water to feed your remaining radiators. It takes this water in priority over other radiators.

In this post I discuss :

Solutions to getting the power to the Flow Booster.

The three versions of the WrightChoice Radiator Flow Booster tailored to suite your own pipework and needs.

The solutions as to how to automate the flow booster (or not).

Getting Power to a WrightChoice Radiator Flow Booster.

Our radiator flow booster uses 12 volts DC so its perfectly safe for  a consumer to install one without the need for an electrician. Each booster comes with a transformer which plugs into a UK standard 3 pin plug and 2 metres of cabling so the booster can be 2 metres away from the plug socket. To fit a pump at a distance over 2 metres away you can buy 3 metre low voltage extension cables and daisy chain these for up to 15 metres if you need to.

This low voltage 3m extension cable allows you to extend the power to a pump which is more than 2 metres from your plug socket

This low voltage 3m extension cable allows you to extend the power to a pump which is more than 2 metres from your plug socket

The Three Versions of the WrightChoice Radiator Flow Booster.

Radiator Flow Booster (V1) Original

Radiator Flow Booster (V1) Original

The V1 Radiator Flow Booster is fitted to a brass cradle and fits on the delivery or the return to a radiator or group of radiators. This makes fitting to 22mm or 15mm pipes very simple. The cradle is 150mm long. The V3 version also fits 15mm pipes.

Radiator Flow Booster (V2) Fits Directly on Radiator

Radiator Flow Booster (V2) Fits Directly on Radiator

The V2 WrightChoice Radiator Flow Booster can be the only choice if you find it difficult to get at the flow or return pipework. The dimensions of the flow booster are such that you can fit it in place of the thermostatic valve or the lock valve. Flow is drawn in through the larger suction pipe and boosted away through the smaller delivery pipe (the pipe at right angles to the pump motor). Rotating the booster allows you to fit it either side of a radiator (your choice)

Radiator Booster (V2)

Our Radiator Flow Booster (V2) Fits Directly on the Radiator. This pump is pulling water from the radiator and rotated 90 degrees it would push water through the radiator.

The V3 WrightChoice Radiator Flow Booster is designed to be fitted in a position where you can fit it out of sight on 15mm, 10mm, or 8mm pipework. It is compact enough to fit under a floorboard or in a wall cavity.

Radiator Flow Booster (V3) Flexible Installation

Radiator Flow Booster (V3) Flexible Installation

Typical fitting of a V3 under the radiator

Typical fitting of a V3 under the radiator

How to Automate a Radiator Flow booster (or not).

The simplest way to operate the flow booster is to turn the socket on and off manually. Our customers have linked in the flow booster with other heating control apps on a phone but here are some other simple ideas from me.

If you want to get it to turn on and off at set times then use a timer:-

Timer Switch (24 Hour) with built in Manual Override Button

Timer Switch (24 Hour) with built in Manual Override Button

If you want to save yourself bending down to switch off the socket use a radio remote:-

Radio Remote

A Radio Remote turns the pump on and off remotely by the simple click of a button.

If you want it to turn on when other radiators get hot then cut and splice in a thermostatic control into the DC side of the transformer.

Thermostatic Control (usually used with an immersion heater)

Thermostatic Control (usually used with an immersion heater)

 

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