Instructions for installation
1-1/2" & 2" Mixing Valves
4-Way Mixing Valve Mounting Instructions
• The mixing valve comes ready for right hand mounting.
• The "UP" label (stamped into the valve) is always system supply.
• The boiler always supplies the valve horizontally.
• The main leaving the top of the valve supplies the man i fold.
• The main leaving the bottom of the valve is the boiler return (BR).
Factory Shipped
• The "1" label is boiler supply (BS).
• The valve comes factory supplied for this in stal la tion.
Right Hand Mounting
Valve is mounted to the Right of the Boiler
BS
1
Boiler
BR
3-Way Mixing Valve Mounting Instructions
Factory Shipped
• 1-Mix, 2-Hot, 3-Cold.
• The valve comes factory supplied for this in stal la tion.
Valve is mounted to the Left of the Boiler
Supply (Red)
Return (Blue)
NOTE: Apply minimum 4 to 5 wraps of Tefl on, and coat with a tefl on based pipe dope to ensure pipe threads seal properly.
L664040
Supply (Red)
UP
Return (Blue)
2
0
10
BS
Boiler
1
2
3
BR
Alternative Option
• The "2" label is boiler supply (BS).
• This installation requires that the scale is reversed
(see: fl ipping the plate fastener).
Left Hand Mounting
Valve is mounted to the Left of the Boiler
Supply (Red)
Return (Blue)
10
0
Alternative Option 1
• 1-Mix, 2-Cold, 3-Hot.
• This installation requires that the scale is reversed
(see: fl ipping the plate fastener).
Valve is mounted to the Right of the Boiler
BS
Boiler
3
BR
UP
BS
1
2
Boiler
BR
Supply (Red)
Return (Blue)
1
2
December 21, 2004
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