Hot fill top loader
So every washing machine I’ve had I’ve basically killed, I do 3 loads of washing a day on average. Current machine came with 11 year warranty and it’s had a new drawer (fair enough) and now will be on its second drum replacement plus other stuff (I don’t know washing machine internals) and it’s just turned 3 years old.
this machine was just over 1k and hoped it would last longer but no lol I’ve checked I’m not overfilling, using too much detergent etc etc but I think I’m just wearing them out fast.
so looking at a top loader in the hope it will last me longer, issue is hot fill. I’ve read instructions but it says to have hot water at 49c but my hot water tank is set at 60c, will this destroy the machine being too hot? If I can’t use my hot water with it I’ll look elsewhere at other semi commercial machines.
Thanks
Solution Summary
AI-generated from this discussion
This thread was marked as solved. Here's a summary of the problem and the fix, generated from the discussion below.
Hot-fill top loader query about 49°C inlet limit
- The problem
- The poster was considering a top-loading washing machine and asked whether a domestic hot water supply from a cylinder set to 60°C could be used when the machine instructions stated hot fill at 49°C. They were also concerned about poor lifespan from heavy use of around three loads a day.
- Likely cause
- The strongest supported diagnosis is that a direct 60°C hot supply may exceed the manufacturer's stated maximum inlet temperature of 49°C. Heavy domestic use was also identified as a likely reason previous machines aged quickly, but no specific fault on an appliance was being diagnosed.
- What fixed it
- Treat the 49°C figure as the maximum inlet temperature unless the manufacturer confirms otherwise. Check the actual hot water temperature at the tap nearest the appliance after running it, as the delivered temperature may be lower than the cylinder setting. If the supply is above 49°C, do not connect it directly unless the manufacturer approves it; a thermostatic blending or mixing valve may be needed. For long-term durability, choose based on confirmed inlet limits and expected duty cycle rather than assuming a top loader will last longer. A semi-commercial machine was suggested as worth considering for this usage level.
- Checks to try
- Checked the machine instructions stating hot fill at 49°C
- Measure the hot tap temperature nearest the appliance after running it for a minute or two
- Check with the manufacturer what 'hot fill 49°C' means and whether 60°C supply is acceptable
- Review the cause of previous drum replacements
- Parts or tools mentioned
- Thermometer
- Thermostatic blending/mixing valve
Safety: Do not connect a supply above the stated limit without manufacturer approval. Further diagnosis should be carried out by a suitably qualified appliance engineer.
1 Answer
If the machine is specified for a hot fill up to 49°C, I would not assume a 60°C cylinder supply is safe just because it’s “only a bit hotter”. Some top loaders tolerate true domestic hot water, but others use valves, hoses and plastic parts that are only rated to the maker’s stated limit.
1. Check exactly what the manufacturer means by “hot fill 49°C”. - If the manual says “maximum inlet temperature 49°C”, treat that as a hard limit. - If it says the machine mixes water internally or only uses hot on certain cycles, that still doesn’t mean a 60°C supply is acceptable.
2. Consider the real temperature at the tap. - A cylinder set to 60°C does not always mean 60°C arrives at the washing machine after pipe losses. - Measure the hot tap nearest the appliance with a thermometer after running it for a minute or two. That will tell you the actual inlet temperature.
3. If it is above 49°C, don’t connect it directly unless the manufacturer approves it. - You may need a thermostatic blending/mixing valve set to 49°C or below. - Get the appliance maker to confirm in writing if possible.
4. On longevity, three loads a day is heavy domestic use. - That won’t necessarily “kill” every machine, but it will age bearings, suspension, seals and pumps much faster. - A top loader may or may not last longer; build quality matters more than loading style. - If you really do that volume continuously, a proper semi-commercial machine is worth considering.
5. Also check the cause of the drum replacements. - If it’s bearing failures, look at spin speeds, floor stability, and whether the machine is repeatedly doing unbalanced spins. - If it’s inner drum damage, bra wires, coins, hard items and overloading by weight can all contribute even if the drum doesn’t look “too full”.
If you need to inspect pipework or fit a mixing valve, isolate the appliance from the mains first, and use a qualified engineer for any mains, gas, plumbing alterations, or sealed refrigeration work. I’d be inclined to choose based on confirmed inlet temperature limits and expected duty cycle rather than assuming a top loader will automatically last longer.
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This answer was generated automatically by the WhitegoodsHelp AI Assistant. It is not provided by an engineer or any other qualified person, may be inaccurate or incomplete, and is not professional or technical advice. Do not rely on it. Always use your own judgement and consult a qualified engineer before carrying out any electrical, gas or water work. Use is entirely at your own risk. See our full Terms of Use.
SAFETY FIRST: READ BEFORE ACTING ON THIS GUIDANCE
Never work on a live appliance
Always unplug it at the mains before going near it with any tools.
Never attempt gas work
By law, gas appliances must only be worked on by a Gas Safe registered engineer. If your fault involves gas, stop and call a professional. Do not attempt it yourself.
Watch for sharp edges
Outer panels are smooth, but internal parts have sharp machined edges. Wear protective gloves and arm sleeves.
Water appliances can leak
Turn off the water supply before disconnecting any hoses.
Know your limits
If you are not confident testing or working inside the appliance, stop and call a professional.
AI guidance, not guaranteed
This response is generated automatically by the WhitegoodsHelp AI Assistant. It is not professional or technical advice, may be incomplete or wrong, and must not be relied upon. Always use your own judgement and consult a qualified engineer before any electrical, gas or water work.
This is general information only and is not professional advice. The WhitegoodsHelp AI Assistant is not an engineer and is not qualified. See our full Terms of Use.
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