P-270 Safety Ignition Module (SIM) replacement kit
If the boiler has a 5-button board running software version 3.11.3 or earlier, use the replacement Fenwal module,
IBC part 240-004. The software version is displayed for three seconds upon powering up the board. You can also
find it in the Installer Setup menu under System Information. If no such directory exists, the software version is
older and you should use the Fenwal replacement module.
IBC Part #
Description
Boiler Model
P-270
Safety Ignition Module (SIM)
SL Series 'G1' (SL 20-115, SL 28-160, SL 30-175, SL
35-199, SL 45-260, and SL 80-399), SL Series G2, SL
40-399 G3, SL 26-260 G3
Warning
This kit must be installed by a qualified service agency in accordance with the manufacturer’s instructions
and all applicable codes and requirements of the authority having jurisdiction. If the information in these
instructions is not followed exactly, a fire, an explosion or production of carbon monoxide may result
causing property damage, personal injury or loss of life. The qualified service agency is responsible for the
proper installation of this kit.
Note
For increased reliability, we recommend that you replace the electrode/flame sensing rod when you
replace the SIM (purchased separately). It is possible to reuse ignitors with low running hours.
Kit contents:
A. SIM module (backwards compatible mode) - # 500-105
B. 2 x screws - 6-32 x 5/8" - #150-015
C. SIM adapter cable # 200-165
D. SIM Ignitor cable # 200-154
E. USB stick with software version 1.03.3 or later- # 900-009
Installation Instructions
120-275-R5 - 1/25/2019
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