Why does my Sterling 40 St burner lock out?

The burner can run away merryily for hours, come on and off with the thermostat but then sometimes just locks out. Hit the reset button and away it goes again for another while. He said the burner has run now for 3 days with no problem but locked out again tonight. I thought it might be the control box and stuck a new one in to test.

How to get out of lockout on Sterling 40 St 108?

Take the cover off the capacitor terminals. If you can’t find them look up “motor run capacitor”. Disconnect one lead from a terminal and connect the meter set to uF across the terminals. It should read what it says on the tin, and you can afford a 20% drop.

What kind of heater does sterling HVAC use?

Sterling HVAC introduces the leading-edge Nexus unit heater, featuring performance effciencies of 97% with a single-stage, two-stage or full modulation firing rate across 6 sizes, 50-400 MBH using natural gas and LP gas for application flexibility. Take back the garage for year-round use.

When did Daimler Chrysler stop making Sterling Trucks?

In late 1997 was sold to Freightliner Group ( Daimler-Chrysler ). Production of trucks was transferred to Canada. Now they are a silver emblem Sterling, with the exception of model Cargo, which will be available by appointment by Freightliner, but sold under two brands – Ford and Sterling .

What should I do if my fan clutch is going bad?

Silicone fluid leaking from the fan clutch would cause this problem. When the engine is off, there are a few things you can do to check the fan clutch: Spin the fan. Electronic types might freewheel, but most fan clutches should spin with a little effort.

Sterling HVAC introduces the leading-edge Nexus unit heater, featuring performance effciencies of 97% with a single-stage, two-stage or full modulation firing rate across 6 sizes, 50-400 MBH using natural gas and LP gas for application flexibility. Take back the garage for year-round use.

How does a torque limiting fan clutch work?

A torque-limiting fan clutch reacts to engine speed. A centrifugal valve opens to allow the flow of heavy silicone fluid, locking the fan blades to the pulley. At idle and low engine speeds, this fan clutch is fully engaged, gradually disengaging as engine speed increases.

What do you need to know about Sterling Plumbing?

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