Playbook, plumbing and heating firm
The answer is in the house, not in the product
Somebody has found a control, a cylinder or an upgrade they like and wants to know whether it will work. Nothing about the product decides that. What decides it is the system already in the house: whether there is a cylinder, what kind, what the wiring at the programmer actually does, and how much water comes through the front door. None of those can be reported accurately by the person asking, which makes this one of the cleanest refusals on the site.
Why this is not the general answer
The handling pattern for compatibility questions holds across every trade. What follows is the part that does not.
- The question is asked about a product and answered by the building, so a page that describes the product in more detail moves no closer to an answer while sounding as though it might.
- A good number of controls need a permanent live at the programmer, and whether one exists is established with the cover off by somebody who knows what they are looking at, not reported over chat by the householder.
- Turning a cylinder system into a combi is decided by the incoming water main, because a flow rate that serves one bathroom will not serve two at once, and that is measured at the property on the day rather than estimated.
- The existing pipework sets limits of its own: microbore feeds, a gravity hot water circuit, or a gas supply from the meter with no room to feed a larger appliance can rule out an upgrade that looked straightforward on a product page.
How it arrives
- will a smart thermostat work with my boiler
- can i have a combi with two bathrooms
- does this control work with a system boiler
- can you fit a bigger cylinder in the same cupboard
- will underfloor heating run off my boiler
- can i keep my old radiators with a new boiler
What has to be indexed for this to work
| Which controls you fit, and what each needs from the system | The ranges you install and, for each, what has to be true of the existing setup: a permanent live at the programmer, a cylinder thermostat, separate zones. Written as requirements rather than as features, because the requirement is the answer to this question. |
|---|---|
| The three system types described in plain words | A combi, a system boiler with an unvented cylinder, and an older vented arrangement with a tank in the loft, with the visible signs of each. Customers cannot name their system and can usually recognise it from a description, which gets the conversation to the right half of the answer. |
| What the survey measures, including flow rate | That the incoming main is measured on the day and that the figure decides whether a combi can serve the number of bathrooms in question. Say it as a measurement taken at the property, because that is what stops the request to answer it from the postcode. |
| Your policy on parts the customer supplies | Whether you will fit a control or an appliance somebody bought themselves, what guarantee applies if you do, and what you will not touch. Compatibility questions are frequently asked by somebody with a box already in the hallway. |
The reply
I cannot tell you whether it will work, and I would be guessing at something that gets decided in your airing cupboard. It depends on which system you have, whether there is a cylinder and what kind, what the wiring at the programmer does, and on a combi question it depends on the flow rate at the incoming main, which is measured at the property [1]. Our controls page lists what we fit and what each one needs from the existing setup, which will tell you whether it is even in the running [2]. If you already have the control, we have a policy on fitting customer supplied parts on the same page. Leave your name, a number and your postcode and somebody will look at the system properly.
It refuses in the first sentence and then spends the rest of the reply being useful, which is the only way a refusal reads as expertise rather than evasion. Naming the four deciding factors lets the reader see why nobody could answer it remotely. The customer supplied parts line catches the ones who have already bought something.
Where it stops
The trigger. The visitor names a product and asks whether it will work with their system, or describes their setup and asks whether an upgrade is possible.
Whether that works depends on things somebody has to see, and I am not going to guess at it. Leave me your name, a number, your postcode and what you are thinking of, and somebody will come and look and tell you straight.
It stops answering before it guesses, says who will pick it up, and asks for the one thing that makes a reply possible. Nothing about it reads as a dead end.
Never say this here
Out of bounds
- Never say a control, appliance or cylinder is compatible with somebody's system, because the deciding facts are behind a cover nobody here has taken off.
- Never say a combi will serve two bathrooms, since that turns on a flow rate measured at the property and getting it wrong produces a house that has to be put back.
- Never say existing radiators, pipework or a cylinder can stay, as that is a judgement made after the system has been looked at.
- Never encourage somebody to buy a control or an appliance before a survey, because they will hold the firm to fitting it.
Questions
- Can it answer if we upload the manufacturer compatibility guides?
- No, and uploading them makes it worse. The guides describe what the product needs. The unknown is what the house has, and no document you own contains that. It would produce a confident answer to the wrong half of the question.
- What can it usefully do here at all?
- Describe the three system types so the customer can recognise theirs, list what your controls require, state that flow rate is measured on the day, and take the enquiry. That is a well informed customer arriving at a survey, which is the whole job.
- People keep buying controls online before ringing. Does this help?
- Publishing your customer supplied parts policy where compatibility questions land is the only thing that reaches them in time. After the box is open the conversation is about goodwill rather than about engineering.
Keep reading
- Everything for a plumbing and heating firmSorting an emergency from a routine job, quoting call out rates, and never suggesting a fix on gas work that only a registered engineer may touch.
- Handling compatibility questions in generalAnswerable only if you publish a list. Inferring compatibility is the failure, and the price of a wrong yes is a return and a refund.
- Somebody who has never had gas work done in the houseThe card the engineer carries, what happens before work starts, and the documents that should be left behind at the end.
- The message that arrives at midnight, and the sort it has to get rightAt eleven at night the assistant is the only thing awake. Its job is to tell a burst pipe from a bathroom enquiry in one reply.
- The four numbers a caller is adding up before they ringThe call out charge, the first hour, the rate after it and the weekend uplift are four numbers, and most plumbing sites publish none.
Try it on your own material
Upload a document or point it at your site, paste one line of HTML, then ask it something only your business could answer.