Product Guide

Specifications
Set temperature: 145°F or lower
Set temperature: 150°F or higher
50
40
30
20
10
0
16.014.012.010.08.06.04.02.00.0
25
20
15
10
5
0
0
2
4
6
8
10
12
14
16
25 45 65 85 105 125 145
Set temperature: 145°F or lower
Set temperature: 150°F or higher
M50: Flow Rate vs. Temperature Rise M50: Pressure Loss
Indoor and Outdoor Installation Options
Power Vent or Power Direct Vent Design
Low NOx Emissions
Flow Rate up to 14.5 GPM
• Values based on factory testing. 0.4 GPM required for
continuous fire after initial ignition
Water Pressure: 15-150 psi
• Pressure Only Relief Valve Requires (Min 380,000 btu/h,
150 psi).
• 40 psi or above recommended for max. flow
Dimensions
Easy-Link up to 4 heaters or connect up to
10 heaters with a Multi-Unit Controller
Warranty
• 6-year limited warranty on heat exchanger in commercial
applications.
• 5-year warranty on all parts.
• Refer to takagi.com for further warranty details
M50: Flow Rate vs. Temperature Rise
Temperature rise (°F)
Flow rate (gpm)
M50: Pressure Loss
Flow Rate (gpm)
Pressure Loss (psi) Head (ft)
40