This kit will equip you to carry out your measuring tasks on traditional gas/oil boilers as well as monobloc or split system Heat Pumps. Combining the power of the testo 300 'smart' flue gas analyser for boiler comissioning and installations as well as the testo 550i 'smart' manifold for heat pump service. Included in this kit are 2 x testo 115i bluetooth pipe clamp thermometers for boiler flow/return temperature measurement as well as flow/return on monobloc heatpumps, additionally the kit includes the testo 510i digital manometer for gas pressure testing alongside the testo 300 FGA.