Setra System Model SRH - Manual (Page 11)

11
Optional Duct Flange
(Side View)
1.125
28.5
Mounting the transmitter using the optional duct flange.
1. Drill a 1.125” (28.5 mm) diameter hole into the duct
2. Insert the tapered bushing side into the conduit hole.
3. Press in and all around the outer exposed edge of bushing so the bushing
groove captures the inside edge of the conduit.
4. Secure flange using #10-16 x 1/2” self-drilling screws (recommended)
5. Insert duct probe to desired length plus 1/2”. Pull back unit approximately 1/2”
to create seal.
Note: To remove, simply twist duct housing side to side while pulling outward.
in.
mm
Conduit Hole
dia.
1.62
41.25
0.68
17.27