Weil-McLain Boilers: Slimfit Re: Resetting the Control The control display turns red when the boiler enters a Fault or Lockout condition. The screen background color alternates from RED to no backlight (gray screen). The display will alternate between 3 display screens: Home...

Weil-McLain Boilers: "SlimFit" Re: Low Water Cut-Out (LWCO) Alarm The SlimFit boiler has a factory LWCO controller mounted inside the boiler cabinet, on the right-hand side, to the back-left of the inducer motor. A LED light on the LWCO controller indicates the status: Red = Lockout ...

Weil-McLain Boilers: "SlimFit" Re: Low Gas Pressure Fault The SlimFit boiler has a factory Low Gas Pressure Switch mounted inside the boiler cabinet, on the right-hand side, below the inducer motor. A LED light on the Low Gas Pressure Switch indicates the status: Red = Lockout Green =...

Weil-McLain Boilers: "SlimFit" Re: High Gas Pressure Fault The SlimFit boiler has a factory High Gas Pressure Switch mounted inside the boiler cabinet, on the right-hand side, below the inducer motor. A LED light on the High Gas Pressure Switch indicates the status: Red = Lockout Green...