Does my boiler need a pump overrun?

Most modern heat only boilers need to use pump overrun to dissipate residual heat and reduce the risk of water boiling in the heat exchanger when it is switched off.

Does a boiler stay on all the time?

It’s true that boilers do turn on from time to time during the night. With a system or heat only boiler, it’s the cylinder that gets heated up when its temperature drops and the thermostat tells the boiler to fire up (assuming it’s not on a timer).

Do Worcester boilers have pump overrun?

There is no need to install a cable specifically for pump overrun. Using Worcester controls with Worcester boilers ensures that the control guarantee is matched to the boiler’s guarantee, with all service provided by a single point of contact.

Where can I get a Worcester Bosch boiler manual?

PUBLICATION 8 716 108 402b 02/07 Worcester, Bosch Group, Cotswold Way, Warndon, Worcester WR4 9SW. Telephone: (01905) 754624. Fax: (01905) 754619. Worcester, Bosch is a trading name of BBT Thermotechnology UK Ltd. Technical Helpline (08705) 266241. www.worcester-bosch.co.uk

Where can I get a 24i 28I junior boiler manual?

Fax: (01905) 754619. Worcester, Bosch is a trading name of BBT Thermotechnology UK Ltd. Technical Helpline (08705) 266241. www.worcester-bosch.co.uk 24i/ 28i junior

What are the common boiler problems in Worcester?

Boiler issue Possible reason No heating or hot water Low water levels, faulty thermostat, bro Banging or whistling noises Kettling (limescale build-up), air in sy Faulty pilot light Broken thermocouple affecting gas supply Leaking boiler Faulty boiler component or broken piping

What’s the hot water pressure on a Worcester Bosch 28I?

The hot water flow rate is limited to a nominal 10 l/min [28i] or 8 l/min [24i] at a maximum temperature rise of 40°C. The sanitary water section of the appliance is suitable for a mains water pressure of up to 10bar. An internal filling loop assembly approved by the WRAS is an optional extra. The 28i is only manufactured for use with Natural Gas.

What is the output of a Worcester 24i boiler?

The WORCESTER 24i or 28i is a combined domestic hot water and central heating appliance. It consists of a gas fired boiler having a varying output of between 7.5 kW and 23.4 kW (24i) or 8.5 kw and 27.5 kw (28i), a combined heat-exchanger and all necessary controls to provide mains fed domestic hot water and central heating.

What kind of controller does Worcester Bosch boiler use?

The speed control wire (purple, white and black) going to the pump is damaged – check continuity and connection. The boiler has a weather compensating controller fitted (FW100 or Wave smart internet connected controller). The pump will run constantly to monitor the flow temperature and maintain heat curve.

How can I troubleshoot my Worcester CBI boiler?

Use the troubleshooting table or fault finding flowcharts below to identify your Worcester CBi fault and troubleshoot either a solution or replacement part. The Worcester Bosch fault finding table below will help you diagnose your boiler’s fault and help you take the next decision in fixing the issue.

Why is there no hot water in my Worcester Boiler?

Is your Worcester boiler problem relating to no hot water? There are a few scenarios that can lead to a lack of hot water. These include a faulty diverter valve (typical, if the heating works, but hot water doesn’t). But, it could also be due to lack of power, a stuck Y/S-plan valve, faulty PCB unit, or even a problem with the heating pump.