Submittal Sheet
MASCOT
®
ST
Date:
Project #:
Engineer:
Prepared By:
Bid Date:
Project Name:
Location:
Contractor:
• High condensing efciency
• 0.96 Energy Factor
• Modulation down to 10% of full
re (10:1 turndown)
• Sealed combustion chamber
• Pre-mix metal ber burner
• Low NOx system– 20ppm NOx
• Horizontal or vertical direct vent
• Vent and air pipe lengths of up to
100 equivalent feet (each)
• Stainless steel heat exchanger
• Natural or Propane
Standard
Equipment
• Vent with PVC, CPVC or
Polypropolene
• ASME 150 psi (207kPa) working
pressure heat exchanger
• Low lead compliant
• Gas leak detection
• Built-in condensate trap and
drain, priming not required
• Pressure gauge
• Burner site glass
• Electronic PID modulating control
• Direct spark ignition
Tankless
Water Heater
Data
Number of Units: Fuel
Natural
Propane
Residential
Condensing Tankless
Water Heater
MSTWW Wall Mounted Tankless
Standard Tankless Water Heater
Indoor: Size 199
Submittal Data
• Large user-interface and display
• Wall mount bracket
• Field convertible between natural
gas and propane
• Inlet water lter
• Condensate trap hose
• 12-Year limited warranty