Security code

How to avoid pump damage this winter

There’s a chill in the air and frosty mornings are becoming more frequent as autumn gives way to winter, which means it’s time to start protecting your electro-mechanical equipment to see it through the cold months. Pumps are no exception, and here we highlight a couple of the most common threats to pumps during winter.

Thermal shock

When a cold pump is activated, the fluid being moved may be warmer than the components of the pump. If this is the case, thermal shock can occur and cause parts such as the impeller, shell and suction liner to crack. Thermal shock can be avoided by bringing the pump components up to temperature gradually with external heat. However, don’t use a blowtorch or other open-flamed device as these represent a fire risk. Use a portable heater instead.

Inadequate drainage

After a pump is shut down, some liquid may remain in the bottom, which in sub-zero conditions will freeze and expand. Components and casings will fracture under the pressure, but the problem won’t become apparent until the ice thaws and your pump leaks when started up. When shut down, pumps should be drained off via the drain valve which can be found at the lowest point. If your pump is not fitted with a drain valve, consider having one installed so you can be certain the equipment is completely empty of fluid when not in use.

Have you had a pump fail due to adverse weather? If so, look no further than Gibbons. We provide a fast, professional pump repair service from our Essex workshop, with free collection and delivery within a 50-mile radius.

If you have a pump that’s damaged beyond repair due to frost or any other issue, Gibbons stock a comprehensive range of pumps for all applications, including submersible pumps, swimming pool pumps and surface-mounted pumps.

If you’d like to enquire about a pump repair or order, call Matthew Gibbons on 07970 676272 or email

Pumps & Controls

Add comment

Back to Blog