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GAS-FIRED BOILER User Manual
valve does not weep after the line has had
time to drain. If the valve weeps, lift the lever
again to attempt to clean the valve seat. If the
valve does not properly seat and continues to
weep afterwards, contact a qualified service
technician to inspect the valve and system.
4. If the water does not flow from the valve
when you lift the lever completely, the valve
or discharge line may be blocked.
Immediately shut the unit down per
instructions on page 8 and call a qualified
service technician to inspect the valve and
system.
6-MONTH MAINTENANCE
Check primary and gas piping
1. Remove the boiler cover and perform a gas
leak inspection following Operating
Instructions in Section IV. If gas odor or leak
is detected, immediately shut down the unit
following procedures on page 8. Call a
qualified service technician.
2. Visually inspect for leaks around the internal
boiler water connections and around the heat
exchanger. Visually inspect the external
system piping, circulators, and system
components and fittings. Immediately call a
qualified service technician to repair any
leaks.
Operate Pressure Relief Valve
1. Before proceeding, verify that the relief valve
outlet has been piped to a safe place of
discharge, avoiding any possibility of
scalding from hot water.
2. Read the temperature and pressure gauge to
ensure the system is pressurized. Min. is 10
PSI and Max is 25 PSI. Lift the relief valve top
lever slightly, allowing water to relieve
through the valve and discharge piping.
3. If water flows freely, release the lever and
allow the valve to seat. Watch the end of the
relief valve discharge pipe to ensure that the
SECTION III – MAINTENANCE PROCEDURES
(CONT’D)
WARNING
Have leaks fixed at once by a qualified service
technician. Failure to comply could result in
severe personal injury, death or substantial
property damage.
WARNING
To avoid water damage or scalding due to valve
operation, a discharge line must be connected
to the relief valve outlet and directed to a safe
place of disposal. This discharge line must be
installed by a qualified service technician or
heating/plumbing installer in accordance with
the Munchkin installation manual. The
discharge line must be terminated so as to
eliminate possibility of severe burns or property
damage should the valve discharges.