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BOILER PROTECTION VALVES
Replacement thermostatic sensor
cartridges.
Sensor cartridge accuracy: ±4ºF.
By-pass from boiler complete closing
temperature: Tset +18°F (130°+18°=148°F).
Fits 280 and 281 series boiler protection
valves.
Easy replacement to change the 280 valve
set temperature without removing the valve
body from the piping.
Dual scale temperature gauge fits
ThermoMix™ 280 & 281 series boiler
protection valves.
Code Description Pk Lbs USD
F29571 32—250ºF 1 0.2 34.00
F296
F295
Code Description Pk Lbs USD
F29633 115ºF Tset 1 0.2 40.00
F29634 130ºF Tset 1 0.2 40.00
F29635 140ºF Tset 1 0.2 40.00
F29636 160ºF Tset 1 0.2 40.00
Selection note: thermostatic sensor cartridge will completely close at Tset
value +18
°F. Example: (130°F Tset +18°F=148°F completely closed) ±4ºF.
1$/+ "$,$-3" 131(#&$%.15 +5$
Replacement cartridge for 5230 series
thermostatic mixing valves.
Code Fits 5230… Cv. Pk Lbs USD
523005 58A,66A 4.8 1 1.9 652.70
523006 60A,68A,70A,78A 8—10 1 2.5 920.20
523008 80A,90A 17—22 1 4.6 1,578.30
1DOK@BHMFSGDB@QSQHCFD
The internal cartridge, containing all the regulating components, can be
inspected and, if necessary, replaced, without the need to remove the valve
body from the pipe.
1) Close the shut-off valves on the hot and cold inlets. Set the knob to the
maximum value.
2) Remove the temperature regulating knob after unscrewing the lock
screw at the top. Dismantle the plastic knob frame. Unscrew the brass
plated protective cover by means of the hexagon (1"—1 ¼").
3) Remove the internal cartridge for inspection or replacement, using a
suitably sized spanner.
4) Refit the protective brass plated cover. Refit the plastic frame in such a
way that the position indicator is visible.
5) The spare cartridge is supplied pre-set to the maximum value. Position
the regulating knob in such a way that the letters MAX align with the
position indicator. By rotating the knob clockwise, it should be possible
to adjust the value from maximum to minimum. Fix the knob with the
top lock screw.
6) Reopen the shut-off valves and adjust the thermostatic mixing valve to
the required temperature value.