Product Overview

RAISING THE BAR IN COMBI BOILER DESIGN
Removing the front panel provides convenient access to the combustion system, control panel and key components.
This simple-to-install-and-service combi boiler is making an impact on the industry.
The unique fire tube heat exchanger design is what enables NOBLE to produce the results users deserve and have
come to expect from Lochinvar.
1 ADAPTER-FREE FLUE CONNECTION
Mul-material connector allows either
PVC, CPVC, polypropylene or stainless
steel connecon directly to the appliance
without adapters. NOBLE also has a built-in
combuson analyzer port.
2 DIRECT VENTING UP TO 100 FEET
Oers ve venng opons for tremendous
installaon exibility. It permits direct-
vent air intake and exhaust runs up to 100
equivalent feet using either PVC, CPVC,
polypropylene or AL29-4C stainless steel
vent pipe.
3 ADVANCED NEGATIVE
REGULATION TECHNOLOGY
Safely and reliably operates with supply
gas pressure as low as 4 inches water
column. Its negave regulaon (neg/reg)
technology eliminates mechanical dampers
as it automacally adjusts fan speed to
ensure the correct volume and mix of fuel
and air throughout the ring range.
4 INNOVATIVE FIRE-TUBE
HEAT EXCHANGER
The re tube design can produce a higher
heat transfer coecient than tradional re
tubes.
5 BRAZED PLATE HEAT EXCHANGER
Stainless Steel Heat Exchanger that quickly
transfers heat from the boiler system to the
domesc water sasfying DHW load.
6 WATER CONNECTIONS FOR
EASY INSTALLATION
NPT water connecons make installaon
easy, especially with our oponal isolaon
valves.
The product images shown are for illustration purposes only
and may not be an exact representation of the product.
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