Triangle Tube Keystone KW 399 399,000 BTU Input Condensing Water Heater - KW 399

If you're looking for a water heater that is both efficient and reliable, the Triangle Tube Keystone Model KW 399 is an excellent choice.

FEATURES

• High-efficiency condensing water heater
• Condensing technology captures and reuses gaseous heat that escapes traditional water heaters
• Protection from corrosion by the stainless-steel construction of the heat exchanger and internal built-in condensate trap
• Modulating burner both scales heat production based on need, and reduces unnecessary energy consumption
• Zero clearance to combustible surfaces
• Burner site glass
• Manual reset high temperature limit
• On/off service switch
• Alarm output
• Drain valve
• Temperature and pressure gauge
• Water flow switch (KW 399 - 850 only)
• 125 psi (861 kPa) ASME rated pressure relief valve
• 160 psi maximum working pressure
• Direct spark ignition system
• Vent temperature cutoff feature
• Vent and combustion air pipe lengths of up to 100’
• Horizontal vent and air terminals
• Horizontal or vertical direct vent
• Low NOx - 2012 SCAQMD certified

Triangle Tube Boiler Installation & Warranty Information

We recommend that the installation of all Triangle Tube Boilers and Water heaters be done by a licensed, trained and qualified technician with the proper knowledge and background.

Should you experience an issue during the installation or the initial startup of the unit, please do not contact the manufacturer. You should have the technician that installed the unit contact either us or the manufacturer. Triangle Tube cannot accept any service or warranty calls from anybody but a licensed technician.

Neither we or Triangle Tube can be held liable for improper installation and operation of any Triangle Tube boiler product purchased from our company. Should a warranty issue arise where parts will need to be replaced, an installation receipt will be required along with your sales receipt. Failure to provide a receipt or invoice may result in the warranty not being honored.