Consolidated 1511 Series Safety Valve Instruction Manual
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When a safety valve is installed on an outdoor unit, it is
advisable to insulate the valve body, including the inlet
flange, up to the bottom of the yoke. The insulation will
stabilize the valve body temperature preventing variation
in the set pressure.
Valves must be readjusted if insulation is installed.
Weather shielding should be used to protect the spring
and to minimize rain or snow from entering the valve
body.
Riser supported overhead
Drain Pipe Open
To Safe Place
1/2” - NPT Drain Pipe
Open To Safe Place
(Valves manufactured
prior to 1987 may have
other size drain holes)
Make short as possible
3/4” std. pipe &
fittings
Figure 3: Recommended Installation for Discharge and Vent Piping
B. Outdoor Safety Valve Installation
