Sight Glass Shutter Box Assembly LK Type
A fabricated plate type flange viewing shutter box assembly, adaptable to fit many makes of boilers, air heaters or furnaces that require an observation window.
Shutter has to be held open with the lever to view flame, once dropped the shutter prevents direct heat onto the glass.
A fabricated plate type flange viewing shutter box assembly, adaptable to fit many makes of boilers, air heaters or furnaces that require an observation window.
Shutter has to be held open with the lever to view flame, once dropped the shutter prevents direct heat onto the glass.
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