Brochure

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BOILER PROTECTION HIGH-FLOW THERMOSTATIC MIXING VALVES
Boiler protection high-ow thermostatic mixing valve.
Changeable thermostatic sensor cartridge.
Brass body and lower plug.
Max. working pressure: 150 psi.
Working temperature range: 40—212ºF.
Thermostatic sensor cartridge:
130°F & 140°F Tset standard selections,see below.
115°F, 160°F Tset optional (eld replaceable).
Sensor cartridge accuracy: ±4°F.
By-pass from boiler complete closing
temperature: Tset +18°F (ex. 130°+18°=148°F).
280
ThermoProtec™
Code Description Lbs USD
280965A 1" sweat unions 130ºF Tset 11 268.00
280165A 1" NPT female unions 130ºF Tset 11 286.00
280966A 1" sweat unions 140ºF Tset 11 268.00
280166A 1" NPT female unions 140ºF Tset 11 286.00
280975A 1¼" sweat unions 130ºF Tset 11 315.00
280175A 1¼" NPT female unions 130ºF Tset 11 329.00
280976A 1¼" sweat unions 140ºF Tset 11 315.00
280176A 1¼" NPT female unions 140ºF Tset 11 329.00
BOILER PROTECTION RECIRCULATION AND DISTRIBUTION UNITS
281
ThermoBloc™
ThermoBloc™ boiler protection
recirculation and distribution unit.
Suitable uids: water, up to 50% glycol solutions.
Max. working pressure: 150 psi.
Working temperature range: 40—210ºF.
Maximum pumping capacity: 10 gpm.
Temperature gauge scale: 30—250ºF.
Thermostatic sensor:
130ºF & 140°F Tset standard selections, see below.
115ºF, 160ºF Tset optional models*.
Sensor cartridge accuracy: ±4ºF.
By-pass from boiler complete closing
temperature: Tset +18°F (ex. 130°+18°=148°F).
* Consult factory
Code Description Lbs USD
281965A 1" sweat unions 130ºF Tset 11 822.00
281165A 1" NPT female unions 130ºF Tset 11 880.00
281966A 1" sweat unions 140ºF Tset 11 822.00
281166A 1" NPT female unions 140ºF Tset 11 880.00
281975A 1¼" sweat unions 130ºF Tset 11 968.00
281175A 1¼" NPT female unions 130ºF Tset 11 1,012.00
281976A 1¼" sweat unions 140ºF Tset 11 968.00
281176A 1¼" NPT female unions 140ºF Tset 11 1,012.00
F19379 Replacement Pump 5 350.00
By-pass
from boiler
Return
from system
Mixed
to boiler
Valve body
Spring
Thermostatic
sensor
Plug
Shutter
System return
Temp gauge pocket
wells (4)
Construction
By-pass
from boiler
Mixed
to boiler
Return
from system
Thermostatic sensor
Three-speed
pump
Valve for natural
circulation
Valve body
Temperature gauge
pocket well (3)
Shutter
Construction