Brochure

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BOILER PROTECTION HIGH-FLOW THERMOSTATIC MIXING VALVES
Boiler protection high-flow 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 (field 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 11 250.00
280165A 1" NPT female unions 130ºF Tset 11 267.00
280966A 1" sweat unions 140ºF Tset 11 250.00
280166A 1" NPT female unions 140ºF Tset 11 267.00
280975A 1¼" sweat unions 130ºF Tset 11 294.00
280175A 1¼" NPT female unions 130ºF Tset 11 307.00
280976A 1¼" sweat unions 140ºF Tset 11 294.00
280176A 1¼" NPT female unions 140ºF Tset 11 307.00
BOILER PROTECTION RECIRCULATION AND DISTRIBUTION UNITS
281
ThermoBloc™
ThermoBloc™ boiler protection
recirculation and distribution unit.
Suitable fluids: 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 11 768.00
281165A 1" NPT female unions 130ºF Tset 11 822.00
281966A 1" sweat unions 140ºF Tset 11 768.00
281166A 1" NPT female unions 140ºF Tset 11 822.00
281975A 1¼" sweat unions 130ºF Tset 11 904.00
281175A 1¼" NPT female unions 130ºF Tset 11 945.00
281976A 1¼" sweat unions 140ºF Tset 11 904.00
281176A 1¼" NPT female unions 140ºF Tset 11 945.00
F19379 Replacement Pump 5 326.00
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