Search

Hydrotherm

KN-Series Condensing Cast Iron Boilers from Advanced Thermal Hydronics (Hydrotherm) are the one and only high efficiency cast iron boiler ever made and offer an industry leading 25 year heat exchanger warranty. KN-Series Boilers combine the efficiency of condensing, gas-fired technology with the strength, durability and heat retention of time-tested cast iron construction. From raw materials to the state-of-the-art digital control system, the complete line of KN-Series products is proudly manufactured at the ATH facility in Boyertown, Pennsylvania. Utilizing decades of foundry and manufacturing expertise, KN-Series boilers are cast, machined, wired and assembled to the tightest standards possible resulting in a finished product that is all-American in terms of innovation, reliability and craftsmanship. Models available from 200,000 - 4,000,000 BTU/h.

View as Grid List
Sort by
Display per page
Picture of GAS ORIFICE (NG)

GAS ORIFICE (NG)

HYDROTHERM:10-00001-004
SKU: HYDROTHERM:10-00001-004
$111.38
Picture of GAS SUPPORT BRACKET (LEFT)

GAS SUPPORT BRACKET (LEFT)

HYDROTHERM:74-00214-001
SKU: HYDROTHERM:74-00214-001
$99.00
Picture of GAS SUPPORT BRACKET (RIGHT)

GAS SUPPORT BRACKET (RIGHT)

HYDROTHERM:74-00213-001
SKU: HYDROTHERM:74-00213-001
$113.85
Picture of GAS TRAIN SHROUD

GAS TRAIN SHROUD

HYDROTHERM:74-00221-001
SKU: HYDROTHERM:74-00221-001
$275.96
Picture of GAS VALVE

GAS VALVE

HYDROTHERM:GX-83204-1
SKU: HYDROTHERM:GX-83204-1
$673.20
Picture of GAS VALVE

GAS VALVE

HYDROTHERM:GX-82989
SKU: HYDROTHERM:GX-82989
$904.61
Picture of GAS VALVE

GAS VALVE

HYDROTHERM:50064
SKU: HYDROTHERM:50064
$259.88
Picture of GAS VALVE

GAS VALVE

HYDROTHERM:50065
SKU: HYDROTHERM:50065
$277.20
Picture of GAS VALVE

GAS VALVE

HYDROTHERM:02-1580
SKU: HYDROTHERM:02-1580
$450.45
Picture of GAS VALVE (36H32-423) NG/LP

GAS VALVE (36H32-423) NG/LP

HYDROTHERM:50009
SKU: HYDROTHERM:50009
$491.29