Zehnder ComfoTube Flat 51 Manifold, CK300 Rigid Twin Duct to 4 x Zehnder ComfoTube Flat 51 Ports 990 328 100 So if you have a
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Description
Zehnder ComfoTube Flat 51 Manifold, CK300 Rigid Twin Duct to 4 x Zehnder ComfoTube Flat 51 Ports 990 328 100 So if you have a So if you have a S90B then this fan is its direct replacement and it will fit in the same space as your existing product and ducting adjustable run on timer