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This may sound bland, however I see this every day. The classic conversation is as follows:
Client: Moe, What do you think about XYZ equipment?
Moe: It’s a good product, however where are you planning to install it?
Client: I have a job, building, business, home, etc.
Moe: Well it’s a good product, but it is the wrong product for that application.
Let’s use the case of a combi boiler or indirect hot water heater. Without putting a brand on the pedestal, the product may be perfect for one application and terrible for another. The appliance may work a long lifespan when applied correctly and a short, maintenance-filled, lifespan if it is installed in the incorrect scenario.
The above goes for anything from faucets to mini split heat pumps, or from boilers and radiant to forced air. Every plumbing, heating and cooling appliance, fixture, and part has an application. Misuse of the appliance in a manner that the manufacturer or designer did not intend to have it used, will have the outcome of a miserable failure of the product and will cost lots of money to keep it running.
This my friends, is why brands and types of appliances get bad names. I have a line I always say when someone complains about a piece of equipment or brand.
There is no such thing as bad appliances, only miss-installed and poorly applied. – Moe