Xylem MM 802F Model TC-4 Test-N-Check Valves For Hot Water Boilers - Manual

INSTRUCTION MANUAL
Model TC-4
Test-N-Check
®
Valves
For Hot Water Boilers
• Before using this product read and understand instructions.
• Save these instructions for future reference.
• All work must be performed by qualified personnel trained in the proper application, instal-
lation, and maintenance of plumbing, steam, and electrical equipment and/or systems in
accordance with all applicable codes and ordinances.
• To prevent serious burns, the boiler must be cooled to 80˚F (27˚C) and the pressure must be
0 psi (0 bar) before servicing.
• To prevent serious personal injury from steam blow-down, connect a drain pipe to the control
opening to avoid exposure to steam discharge.
WAR NING
CAUTIO N
! WARNING
TC-U Upper Valve TC-L Lower Valve
Applications:
For isolation of equalizing lines during low
water cut-off testing.
Does in minutes what used to
take hours.
OPERATION
Maximum Operating Pressure: 160 psi (11 kg/cm 2 )
Maximum Operating Temperature: 250˚F (121˚C)
California Proposition 65 warning! This product contains chemicals known to the •
state of California to cause cancer and birth defects or other reproductive harm.
Previous controls should never be installed on a new system. Always install new •
controls on a new boiler or system.
CAUTION:
A more frequent replacement interval may be necessary based on the condition of
the unit at time of inspection. McDonnell Miller s warranty is one (1) year from date
of installation or two (2) years from the date of manufacture.
Failure to follow this warning could cause property damage, personal inj ury or death.
•
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MM-802F
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