The Bock 51ECLB is a high‑capacity, energy‑efficient residential oil-fired water heater built for dependable performance and long service life. Its 50‑gallon tank provides strong hot‑water output for larger households, while the cobalt‑enriched glass‑lined interior delivers superior corrosion resistance and extended durability.
Engineered for efficient operation and fast recovery, the 51ECLB is a reliable upgrade for homes requiring consistent hot‑water production.
Key Features
50‑Gallon Residential Oil-Fired Water Heater
Ideal for medium to large households with higher hot‑water demand.
Energy-Efficient Design
Optimized heat transfer and insulation help reduce fuel consumption.
Cobalt-Enriched Glass-Lined Tank
Enhanced corrosion protection for long tank life.
With Burner Configuration
Durable Steel Jacket & Heavy Insulation
Minimizes standby heat loss and supports consistent performance.
Service-Friendly Layout
Accessible components simplify installation and maintenance.
Ideal For
Homes needing a durable, energy‑efficient oil‑fired water heater with high storage capacity and burner flexibility.
We service and install all types of HVAC heating and cooling equipment throughout Long Island, including (but not limited to) this coverage area:
Nassau County: Oyster Bay, Hempstead, North Hempstead, Glen Cove, Long Beach, Freeport, Valley Stream, Garden City, Great Neck, Mineola, Hicksville, Levittown, Massapequa, Bethpage, Plainview, Syosset, Jericho, Westbury, Rockville Centre, Farmingdale
Suffolk County: Huntington, Babylon, Islip, Smithtown, Brookhaven, Riverhead, Shelter Island, Southold, Southampton, East Hampton, Commack, Deer Park, Lindenhurst, Bay Shore, Brentwood, Central Islip, Hauppauge, Centereach, Selden, Medford, Patchogue, Shirley
Contact us today at (631) 779-3196
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