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0 to CO₂ max (Display range)
Secure battery compartment cover (note: larger
Lindab BU 125mm Pressed galvanised metal 45° Bend Safe
the testo 400 offers smart features such as measurement programs tailored to specific standards (like EN ISO 7730 and ASHRAE 55)
90000497 - 160 MM TO 200 MM METAL PIPE CONNECTOR x 2
Zehnder ComfoTube Flat 51, Cross-Piece 990 328 764 0 to CO₂ max (DisplayThe compact cross piece can be used to cross over two lengths of Zehnder ComfoTube Flat 51 in a height restricted space. The cross piece comes complete with award winning RapidLock connections to quickly form an air tight and robust seal by simply push fitting the semi rigid ductwork when combined with the o ring seals sold separately It measures 67mm high x 342mm wide x 342mm deep. Zehnder Old P N 990 322 154 Zehnder New P N 990 322 207
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