Zehnder ComfoTube 90mm Dia, Spigot Reducer, 100mm Dia to 90mm Dia for Zehnder ComfoAir 70 AX3689 Heat pump main board for

Heat pump main board for Zehnder ComfoClime

Day logger and power run meter as standard

Click here to order the optional additional shelf

This is the 'TW' model which is a single speed fan operated via a light switch or pull cord and has an integral overrun timer

built for life on the go

Zehnder ComfoTube 90mm Dia, Spigot Reducer, 100mm Dia to 90mm Dia for Zehnder ComfoAir 70 AX3689 Heat pump main board forZehnder ComfoTube 90 mm to 100 mm convertor for ComfoAir 70. The rigid connector can be placed into the ComfoAir 70 spigot to convert it to Zehnder ComfoTube 90 mm and comes complete with locking slide. Ideal for use with the ComfoAir 70 to convert 100 mm spigots for use with 90 mm semi rigid ductwork. P N 990 326 032