Owner's manual
65-2405RK-03 Combustible Gas Transmitter • 5
Figure 2: Mounting the Combustible Gas Transmitter
2. At the monitoring site you select, hang or mount the detector junction box with the 
detector facing down (see Figure 2).
3. Install 3/16 inch I.D. flexible polyurethane tubing to the fitting at the bottom of the 
calibration adapter and route it to an accessible area that is close to the amplifier 
junction box. See the “Parts List” on page 19 for available tubing.
3/4 NPT
Conduit Hub
Ø3.65
2.70 .38
9.25 Max
5.25
Rubber
Spacer
,
3X
1.13
Calibration
Adapter
Combustible
Gas
Detector










