Lochinvar Boilers

Lochinvar's Knight High Efficiency Boilers are conveniently available in both floor standing and wall mount models, featuring 50,000-285,000 BTU/hr, up to 98.6% low temp application efficiency, PVC venting, fully modulating burner with 5:1 turndown, and SMART SYSTEM control. Also included here is Lochinvar's Knight XL Boiler Series, featuring up to 94.6% thermal efficiency, 399,000-800,000 BTU/hr, fully modulating burner with 5:1 turndown, and SMART SYSTEM control. You can find optional equipment kits for your Knight Boiler here as well.

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  • 64,000 BTU Output Knight High Efficiency Boiler View Specs
    • SKU: KBN081
    • Brand: Lochinvar

    $3,259.95 / each

    In Stock! (1 Available) Ships in 24-48 Hrs
  • 64,000 BTU Output Knight High Efficiency Boiler w/ MODBUS Communication View Specs

    $3,539.95 / each

    Non-Stock Item Allow 2-3 Weeks to Ship Out
  • 121,000 BTU Output Knight High Efficiency Boiler View Specs

    $3,849.95 / each

    In Stock! (8 Available) Ships in 24-48 Hrs
  • 125,000 BTU Output Knight High Efficiency Boiler w/ Fire Tube Heat Exchanger (Wall Mount) View Specs

    $3,969.95 / each

    In Stock! (2 Available) Ships in 24-48 Hrs
  • 170,000 BTU Output Knight High Efficiency Boiler View Specs

    $4,463.95 / each

    In Stock! (3 Available) Ships in 24-48 Hrs
  • 84,000 BTU Output Knight High Efficiency Boiler View Specs
    • SKU: KBN106
    • Brand: Lochinvar

    $3,498.95 / each

    Non-Stock Item Allow 2-3 Weeks to Ship Out
  • 161,000 BTU Output Knight High Efficiency Boiler w/ Fire Tube Heat Exchanger (Wall Mount) View Specs

    $4,484.95 / each

    Non-Stock Item Allow 2-3 Weeks to Ship Out
  • 232,000 BTU Output Knight High Efficiency Boiler View Specs

    $6,216.95 / each

    In Stock! (3 Available) Ships in 24-48 Hrs
  • 324,000 BTU Output Knight XL High Efficiency Boiler View Specs

    $8,111.95 / each

    In Stock! (4 Available) Ships in 24-48 Hrs
  • 406,000 BTU Output Knight XL High Efficiency Boiler View Specs

    $10,818.95 / each

    In Stock! (4 Available) Ships in 24-48 Hrs
  • 44,000 BTU Output Knight High Efficiency Boiler w/ Fire Tube Heat Exchanger (Wall Mount) View Specs

    $2,599.95 / each

    In Stock! (4 Available) Ships in 24-48 Hrs
  • 493,000 BTU Output Knight XL High Efficiency Boiler View Specs

    $13,094.95 / each

    In Stock! (3 Available) Ships in 24-48 Hrs
  • 69,000 BTU Output Knight High Efficiency Boiler w/ Fire Tube Heat Exchanger (Wall Mount) View Specs

    $3,369.95 / each

    In Stock! (3 Available) Ships in 24-48 Hrs
  • 574,000 BTU Output Knight XL High Efficiency Boiler View Specs

    $14,999.95 / each

    In Stock! (2 Available) Ships in 24-48 Hrs
  • 89,000 BTU Output Knight High Efficiency Boiler w/ Fire Tube Heat Exchanger (Wall Mount) View Specs

    $3,729.95 / each

    Non-Stock Item Allow 2-3 Weeks to Ship Out
  • 654,000 BTU Output Knight XL High Efficiency Boiler View Specs

    $17,349.95 / each

    In Stock! (5 Available) Ships in 24-48 Hrs
  • 323,000 BTU Output Knight High Efficiency Boiler w/ Fire Tube Heat Exchanger (Wall Mount) View Specs

    $8,737.95 / each

    In Stock! (3 Available) Ships in 24-48 Hrs
  • 89,000 BTU Output Knight High Efficiency Boiler (Wall Mount) High Altitude Model View Specs

    $4,149.95 / each

    Non-Stock Item Allow 2-3 Weeks to Ship Out