# Articles

Web page: https://watertrade.com.ua/en/articles · Other languages: [UA](https://watertrade.com.ua/articles.md), [RU](https://watertrade.com.ua/ru/articles.md)

- [How to choose a pressure tank: volume, pressure and orientation](https://watertrade.com.ua/en/articles/article/vybor-gidroakkumulyatora.md) — A simple way to size a pressure tank, check its working pressure and choose between a vertical and a horizontal tank for a private house.
- [How to winterise the water system in a summer house](https://watertrade.com.ua/en/articles/article/konservaciya-vodoprovoda-na-zimu.md) — How to drain the pipes, booster set, pressure tank and water heater before winter, blow out the system with a compressor and avoid burst pipes.
- [How to check and top up the air in a pressure tank yourself](https://watertrade.com.ua/en/articles/article/davlenie-vozduha-v-gidroakkumulyatore.md) — Step-by-step guide: how to measure the air pressure in a pressure tank, how much to pump in and how to tell that the diaphragm has failed.
- [Booster set for a private house: how to connect it yourself](https://watertrade.com.ua/en/articles/article/skhema-podklyucheniya-nasosnoj-stancii.md) — How to connect a booster set to a well: foot valve, suction pipe, filter and first start-up. Typical mistakes and how to avoid them.
- [How to choose a borehole pump: depth, yield and head](https://watertrade.com.ua/en/articles/article/vybor-skvazhinnogo-nasosa.md) — We work out the head a borehole pump needs with an example, check the borehole yield and the casing diameter. A clear guide without formulas.
- [How to install a borehole pump yourself](https://watertrade.com.ua/en/articles/article/montazh-skvazhinnogo-nasosa.md) — How to lower a pump into a borehole yourself: safety rope, cable, check valve, well cap and checks before the first start.
- [How to adjust a pump pressure switch yourself](https://watertrade.com.ua/en/articles/article/nastrojka-rele-davleniya.md) — What the large and small springs of a pressure switch do, how to raise the pressure in the house without overloading the pump. Step-by-step setup with a gauge.
- [Pump keeps switching on and off: 6 causes and what to do](https://watertrade.com.ua/en/articles/article/nasos-chasto-vklyuchaetsya.md) — Does your pump click on every few seconds? We go through six common causes — from low air in the pressure tank to a leak — and check them in order.
- [Float valve: how it works, how to choose and fit one in a tank](https://watertrade.com.ua/en/articles/article/poplavkovyj-kran-ustanovka.md) — How a float valve works, the difference between lever and diaphragm models, how to choose a float and set the water level in a tank.
- [A water reserve at home: a storage tank with a float valve, DIY](https://watertrade.com.ua/en/articles/article/zapas-vody-nakopitelnyj-bak.md) — When you need a water reserve, how to size the tank and where to fit the float valve, overflow and pump. A layout for a weak borehole or an unreliable supply.
- [Water hammer in household plumbing: causes and protection](https://watertrade.com.ua/en/articles/article/zashchita-ot-gidroudara.md) — Why pipes bang when a tap closes, how water hammer damages a washing machine or water heater, and how to protect the plumbing with an arrestor.
- [Heating expansion vessel: sizing and connection](https://watertrade.com.ua/en/articles/article/rasshiritelnyj-bak-otopleniya.md) — Why a sealed heating system needs an expansion vessel, how to size it, what pre-charge to set and where to connect it.
- [Under-sink reverse osmosis: DIY installation](https://watertrade.com.ua/en/articles/article/obratnyj-osmos-ustanovka.md) — Step-by-step reverse osmosis installation: cold water connection, drain saddle, faucet on the sink, storage tank and the first flush.
- [How to choose a water filter from a lab test: iron, manganese, hardness](https://watertrade.com.ua/en/articles/article/kak-vybrat-filtr-dlya-vody.md) — Which values to look at in a borehole water test, which filter you need for iron, manganese and hardness, and in what order to fit the treatment stages.
- [How to replace a water filter cartridge yourself](https://watertrade.com.ua/en/articles/article/zamena-kartridzha-filtra.md) — When to replace the cartridge, how to undo the filter housing, what to do with the O-ring and how to restart the filter without leaks.
- [How to protect a borehole supply pipe from freezing](https://watertrade.com.ua/en/articles/article/zashchita-truby-ot-zamerzaniya.md) — How deep to bury the pipe from a borehole, when you need insulation and a heating cable, and how to protect the house entry and the well head from frost.
- [Welding polypropylene pipes yourself: heating times and mistakes](https://watertrade.com.ua/en/articles/article/pajka-polipropilenovyh-trub.md) — How to weld PP-R pipe properly: tool temperature, heating times for 20–40 mm pipe, stripping aluminium-reinforced pipe and the mistakes that make joints leak.
- [How to choose the pipe size for household plumbing](https://watertrade.com.ua/en/articles/article/diametr-truby-vodoprovoda.md) — How to choose pipe sizes for the supply, risers and tap connections, the difference between outer and inner diameter and why a thin pipe “eats” pressure.
- [How to seal a pipe thread: hemp, PTFE tape or thread seal cord](https://watertrade.com.ua/en/articles/article/germetizaciya-rezby.md) — We compare hemp with paste, PTFE tape, thread sealing cord and anaerobic sealant: what to use for water and heating and how to wind it so it never leaks.
- [How to replace a ball valve without a plumber](https://watertrade.com.ua/en/articles/article/zamena-sharovogo-krana.md) — How to replace a leaking or seized ball valve: tools, holding the pipe with a second wrench, sealing the thread and checking the job afterwards.
- [Check valve: why you need one and where to fit it](https://watertrade.com.ua/en/articles/article/obratnyj-klapan.md) — How a check valve works, where it is essential in a system with a pump, a borehole and a water heater, and how to tell that it lets water flow back.
- [How to pump water out of a basement with a drainage pump](https://watertrade.com.ua/en/articles/article/otkachat-vodu-iz-podvala.md) — Which drainage pump a basement needs, how to make a sump pit with automatic pumping and a float switch, and where to discharge the water.
- [DIY drip irrigation from a water tank](https://watertrade.com.ua/en/articles/article/kapelnyj-poliv-iz-baka.md) — How to build drip irrigation from a tank without a pump: how high to raise the tank, which filter you need, how to lay the drip tape and refill the tank with a float valve.
- [Humming, whistling and banging pipes: causes and DIY fixes](https://watertrade.com.ua/en/articles/article/shum-i-stuk-v-trubah.md) — A hum with the tap open, bangs when it closes, whistling and clicking: where noise in household plumbing comes from and how to fix it yourself.

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