The Bock 51ECLB is a high‑performance, oil‑fired water heater engineered for homes that demand strong recovery rates, long‑term durability, and consistent hot‑water output. Built with Bock’s signature cobalt‑enriched glass‑lined tank, this 50‑gallon model provides exceptional corrosion resistance, extending tank life and maintaining efficiency even under heavy daily use. The robust steel jacket and precision‑applied lining deliver the reliability contractors trust for residential installations.
Equipped with a factory‑installed oil burner, the 51ECLB delivers fast, efficient heat transfer and dependable ignition performance. Its high‑efficiency heat exchanger maximizes BTU output while minimizing fuel consumption, making it an excellent choice for homeowners looking to balance performance with operating cost. The unit’s design supports rapid recovery, ensuring ample hot water for larger households, multi‑bathroom homes, or high‑demand usage patterns.
Operating on a standard 120V electrical supply, the 51ECLB integrates easily into typical residential mechanical rooms. Heavy insulation reduces standby heat loss, helping maintain stable tank temperatures and improving overall energy efficiency. Serviceability is also a standout feature—Bock’s clean component layout and rugged construction make routine maintenance straightforward for technicians.
Whether used as a primary water heater or paired with a hydronic heating system, the Bock 51ECLB offers the durability, performance, and long‑term dependability that define Bock’s reputation. With its proven burner technology, corrosion‑resistant tank, and strong recovery capabilities, this model is a premium solution for reliable, oil‑fired residential 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.
Less Burner Configuration
Allows burner selection based on site requirements or installer preference.
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
