Product Overview

THE BEST
KNIGHT EVER
Lochinvar is proud to introduce the new, improved KNIGHT fire tube boiler—delivering
ultimate ease of installation, unmatched operational reliability and serviceability.
Recent upgrades keep KNIGHT at the head of the class, allowing it to continue to lead the
charge as the industry-leading high-efficiency residential boiler. With more adjustable
parameters than any other competitor, KNIGHT is the most flexible residential boiler you can
install.
Today, the new KNIGHT boiler family is available in 13 model options—six floor mounts and
seven wall mounts. It also offers a broader range of heating capacity from 55,000 to 399,999
BTU/hr—while continuing to work at 95% AFUE efficiency.
INDUSTRY-LEADING FEATURES
KNIGHT boilers now feature a universal vent connector, making installation easier than ever.
It comes with many standard features that allows PVC, CPVC, polypropylene or stainless steel
connections directly to the boiler.
We've added a variable speed ECM pump as standard equipment, helping to push day-to-day
operational efficiency even further. We’ve also redesigned the trap height for the condensate
pump to make installation a snap.
Every KNIGHT boiler comes with a built-in 110V convenience outlet. Use this handy standard
feature to power your lighting or installation equipment—or for powering the condensate
pump.
As in past generations, Lochinvar’s KNIGHT boiler continues to raise the bar for installation
flexibility. With our latest product enhancements, we've pushed the KNIGHT boiler’s
capabilities and value to levels the industry has never seen before.
ECM PUMP STANDARD EQUIPMENT
ECM pump technology saves electricity & lowers operating costs. Lochinvar now includes this money saving technology as standard equipment
on all WHB & KHB boilers. Using the Smart System to continuously match the target Delta T at all modulation rates this technology makes
variable speed pump integration simple and easy. Push your savings further by taking advantage of local rebate programs for ECM variable
speed pumps. Check with your local utilities company for details.
000
050
100
150
200
250
0 5 10 15 20 25 30
AVERAGE CONSTANT
SPEED PUMP
ECM HIGHEST
OPERATING RATE
ECM LOWEST
OPERATING RATE
000
025
050
075
100
$125
ECM PUMP AT
LOWEST RATE
ECM PUMP AT
HIGHEST RATE
CONSTANT
SPEED PUMP
GALLONS/MINUTE
ESTIMATED  YEAR PUMP
OPERATING COST
WATTS
KHB
KNIGHT FLOOR MOUNT
OPERATING COSTPUMP ENERGY USAGE