
INSTALLATION AND OPERATION INSTRUCTIONS
4-4
SL 30-175, SL 45-260 MODULATING GAS BOILERS
geograPHY & CoMPonents
4.2
Turn cover button Counter Clock
Wise to loosen
Cover tilts back, then lift up and off
Clear access to front components
Clear access to top components
Lift top cover up at front
Top cover lifts up and out
Gas Inlet Block (air intake snorkle
removed for clarity)
Remove top cover button machine screws
Gas Valve
Fan air intake venturi - snorkel removed
Air intake snorkel installed on venturi
Summary of Contents for SL 30-175
Page 76: ...NOTES...