With the new testo Heat Pump Set L, professionals receive a powerful, wireless complete package for the professional installation, maintenance, and commissioning of heat pumps. All included measuring devices and tools are optimally coordinated and enable precise, efficient, and digital workflows – directly controllable via app.
Set contents at a glance: 1. testo 558s – Digital manifold with 4-way valve block The smart manifold testo 558s is the core of the set. With an integrated 4-way valve block, large touchscreen, and wireless temperature and vacuum probes, it enables intuitive and fast measurement of all relevant parameters. The 72h logging function supports long-term measurements, ideal for commissioning and error analysis. Includes: Filling hose set (3x 7/16
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