Ballast mounting system for heat pumps PPZ550
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Description
PPZ550 – concrete in-ground base for heat pump installation
PPZ550 is a professional concrete in-ground base, specifically designed for stable installation of outdoor heat pump and air conditioning units. Thanks to its construction intended for ground burial, you gain durable and aesthetic positioning that blends perfectly with the building's surroundings.
Why choose an in-ground base? Installing the outdoor unit at ground level eliminates problems with excessive noise and vibrations transmitted to the façade. The element made of C40/50 class concrete guarantees exceptional durability and resistance to weather conditions for many years.

Built-in mounting rail type 18/25 (galvanised) enables quick and precise unit mounting using M10 hammer-head bolts. The set includes all necessary mounting elements: 2 M10 hammer-head bolts, 2 self-locking nuts and 2 vibration-isolating washers that effectively dampen vibrations transmitted from the device.
Technical parameters
- Dimensions: 550 × 89 × 800 mm (L × W × H)
- Element weight: 55.0 kg
- Concrete class: C40/50
- Mounting: built-in galvanised mounting rail 18/25

Installation method: For proper positioning of one outdoor unit, a minimum of 2 PPZ550 elements are required. Before installation, prepare the excavation and check the load-bearing capacity of the substrate. It is also advisable to verify the installation guidelines of the heat pump or air conditioning manufacturer.
Complete mounting kit
- 2× M10 hammer-head bolt
- 2× self-locking nut
- 2× vibration-isolating washer
As a complementary element, we recommend additional EPDM vibration-isolating washers, which can be used for devices generating greater vibrations.
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