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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 50295PB BURNER TRAY RIGHT SIDE RAIL

50295PB BURNER TRAY RIGHT SIDE RAIL

HYDROTHERM:50295PB
SKU: HYDROTHERM:50295PB
$86.63
Picture of 50296PB BURNER TRAY LEFT SIDE RAIL

50296PB BURNER TRAY LEFT SIDE RAIL

HYDROTHERM:50296PB
SKU: HYDROTHERM:50296PB
$86.63
Picture of 50300PB BURNER TRAY REAR SUPPORT

50300PB BURNER TRAY REAR SUPPORT

HYDROTHERM:50300PB
SKU: HYDROTHERM:50300PB
$35.89
Picture of 50301 BURNER TRAY REAR SUPPORT

50301 BURNER TRAY REAR SUPPORT

HYDROTHERM:50301
SKU: HYDROTHERM:50301
$35.89
Picture of 50302 BURNER TRAY REAR SUPPORT

50302 BURNER TRAY REAR SUPPORT

HYDROTHERM:50302
SKU: HYDROTHERM:50302
$35.89
Picture of 50306 BURNER TRAY REAR SUPPORT

50306 BURNER TRAY REAR SUPPORT

HYDROTHERM:50306
SKU: HYDROTHERM:50306
$59.40
Picture of 50324PB BASE FRONT PANEL

50324PB BASE FRONT PANEL

HYDROTHERM:50324PB
SKU: HYDROTHERM:50324PB
$97.76
Picture of 50325 BASE FRONT PANEL

50325 BASE FRONT PANEL

HYDROTHERM:50325
SKU: HYDROTHERM:50325
$113.85
Picture of 50326 BASE FRONT PANEL

50326 BASE FRONT PANEL

HYDROTHERM:50326
SKU: HYDROTHERM:50326
$139.84
Picture of 50327 BASE FRONT PANEL

50327 BASE FRONT PANEL

HYDROTHERM:50327
SKU: HYDROTHERM:50327
$146.02