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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.

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Picture of 40-00752-003 Hydrotherm 40-00752-003 Touchscreen Display Board With Plastic Enclosure

40-00752-003 Hydrotherm 40-00752-003 Touchscreen Display Board With Plastic Enclosure

HYDROTHERM:40-00752-003
SKU: HYDROTHERM:40-00752-003
$806.85
Picture of 40-5409 COMMUNICATION CABLE RS485

40-5409 COMMUNICATION CABLE RS485

HYDROTHERM:40-5409
SKU: HYDROTHERM:40-5409
$24.75
Picture of 40-5411 RIBBON CABLE

40-5411 RIBBON CABLE

HYDROTHERM:40-5411
SKU: HYDROTHERM:40-5411
$18.56
Picture of 40VA TRANSFORMER

40VA TRANSFORMER

HYDROTHERM:26-3001
SKU: HYDROTHERM:26-3001
$82.91
Picture of 40VA TRANSFORMER

40VA TRANSFORMER

HYDROTHERM:50787
SKU: HYDROTHERM:50787
$180.68
Picture of 45-1254 BLANKET, COMBUSTION CHAMBER INSULATION

45-1254 BLANKET, COMBUSTION CHAMBER INSULATION

HYDROTHERM:45-1254
SKU: HYDROTHERM:45-1254
$73.01
Picture of 45-1272 CERAMIC CHAMBER

45-1272 CERAMIC CHAMBER

HYDROTHERM:45-1272
SKU: HYDROTHERM:45-1272
$101.48
Picture of 45-1274 CERAMIC FIBER CHAMBER

45-1274 CERAMIC FIBER CHAMBER

HYDROTHERM:45-1274
SKU: HYDROTHERM:45-1274
$189.34
Picture of 460 VOLT BLOWER REPLACEMENT (8 PIN TO 4 PIN) (OLD STYLE)

460 VOLT BLOWER REPLACEMENT (8 PIN TO 4 PIN) (OLD STYLE)

HYDROTHERM:75-00584-001
SKU: HYDROTHERM:75-00584-001
$6,944.85
Picture of 5 FLUE ADAPTER

5 FLUE ADAPTER

HYDROTHERM:56-3347
SKU: HYDROTHERM:56-3347
$365.06