High Volume Pumps (HVPs) are a form of specialist firefighting module designed to transport large quantities of water over long distances. These modules are transported to incidents using a prime mover and can be quickly deployed and dropped off at the scene for operation. Inside the overall module are two sub-modules carrying the HVP equipment. HVPs are primarily used in situations where local water supplies are insufficient, such as wildfires, large industrial fires, or significant flooding. 

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HVPs typically extract water from major water sources, such as rivers, lochs, or reservoirs, and transport it to the incident site. In cases of major flooding, they may also be deployed to pump water away from affected areas to reduce damage and restore access.

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Throughout the Scottish Fire and Rescue Service (SFRS), there are four HVPs, all of which were provided by the Scottish Government to select legacy services under national resilience framework. All SFRS HVP require five HVP operators and two certified drivers to mobilise. Additional HVPs are privately operated sites such as the Grangemouth Refinery.