Handy man book plumbing and heating encyclopedia (1922)
Hardin-Lavin Co. · Hardin-Lavin Co. · leaf 230
DEEP GAS TIGHT JOINTS The fire pot is cast in two heavy sections with deep corruga-tions. The cup joint absorbs the constant stress and strain due toexpansion and contraction when furnace is in use. Heat radiatingsurface of fire pot is doubled, due to heavy corrugations. The bestgrade of ore is… … LARGE DEEP ASH PIT Ash pit is equipped with triple face anti-clinker type gratewhich breaks and shakes clinkers. Grate air space is of properproportion and gives just the right amount of air to fire, per-mitting perfect combustion. Grates are geared in sets which al-lows shaking half of the grates…
Plumbing · Heating · Ventilation · And air-conditioning · Bathrooms -- trade · Lavatories and sinks · Bathtubs · Ceiling ventilators · Water heaters · Steam and condensate piping and pumps · HVAC ducts and casings · Air duct accessories
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