Operating Instructions
4-6
750-136
Model WB Electric Boiler Manual
10. Replace the element assembly into the boiler, using a new gasket and anti-seize compound on gaskets and
bolts. Torque the element flange bolts to 90 to 100 ft. lbs.
11. When the boiler is filled and pressurized, inspect for leaks. If leaks are detected around the brass ferrules,
tighten the nuts in 5 ft lb increments up to a maximum of 70 ft lb (60 ft lb for 208 and 240 Volt elements)
until leaks are no longer detected.
12. Rewire the element ends. Torque element stud nuts to 35 in lb.
FIGURE 4-3. Element Installation Details
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