Series 280

ThermoProtec™, High-flow thermostatic mixing valve for boiler protection

280965A.png
280965A.png
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Product Description

High-flow thermostatic mixing valve for boiler protection
Interchangeable thermostatic sensor cartridge 
Complete with: 

  • Brass mixing valve
  • Thermostatic sensor bypass cartridge

Connection Options:

  • Sizes: 1 - 1¼”
  • Connection Types: NPT Female, Sweat
     

Technical data

Material: brass
Medium temperature range: 40 – 212 °F
Maximum working pressure: 150 psi

Drawings and specifications

Part number Connection Setting Actions
280965A 1" Sweat
union
130 °F
3D models
Tender text
CALEFFI, 280965A, ThermoProtec™. High-flow thermostatic mixing valve for boiler protection Interchangeable thermostatic sensor cartridge  Complete with:  Brass mixing valve Thermostatic sensor bypass cartridge Connection Options: Sizes: 1 - 1¼” Connection Types: NPT Female, Sweat   Connection: 1" Sweat, union. Maximum working pressure: 150 psi. Medium temperature range: 40–212 °F. Setting: 130 °F. Material: brass.
280165A 1" NPT female
union
130 °F
3D models
Tender text
CALEFFI, 280165A, ThermoProtec™. High-flow thermostatic mixing valve for boiler protection Interchangeable thermostatic sensor cartridge  Complete with:  Brass mixing valve Thermostatic sensor bypass cartridge Connection Options: Sizes: 1 - 1¼” Connection Types: NPT Female, Sweat   Connection: 1" NPT female, union. Maximum working pressure: 150 psi. Medium temperature range: 40–212 °F. Setting: 130 °F. Material: brass.
280966A 1" Sweat
union
140 °F
3D models
Tender text
CALEFFI, 280966A, ThermoProtec™. High-flow thermostatic mixing valve for boiler protection Interchangeable thermostatic sensor cartridge  Complete with:  Brass mixing valve Thermostatic sensor bypass cartridge Connection Options: Sizes: 1 - 1¼” Connection Types: NPT Female, Sweat   Connection: 1" Sweat, union. Maximum working pressure: 150 psi. Medium temperature range: 40–212 °F. Setting: 140 °F. Material: brass.
280166A 1" NPT female
union
140 °F
3D models
Tender text
CALEFFI, 280166A, ThermoProtec™. High-flow thermostatic mixing valve for boiler protection Interchangeable thermostatic sensor cartridge  Complete with:  Brass mixing valve Thermostatic sensor bypass cartridge Connection Options: Sizes: 1 - 1¼” Connection Types: NPT Female, Sweat   Connection: 1" NPT female, union. Maximum working pressure: 150 psi. Medium temperature range: 40–212 °F. Setting: 140 °F. Material: brass.
280975A 1 1/4" Sweat
union
130 °F
3D models
Tender text
CALEFFI, 280975A, ThermoProtec™. High-flow thermostatic mixing valve for boiler protection Interchangeable thermostatic sensor cartridge  Complete with:  Brass mixing valve Thermostatic sensor bypass cartridge Connection Options: Sizes: 1 - 1¼” Connection Types: NPT Female, Sweat   Connection: 1 1/4" Sweat, union. Maximum working pressure: 150 psi. Medium temperature range: 40–212 °F. Setting: 130 °F. Material: brass.
280175A 1 1/4" NPT female
union
130 °F
3D models
Tender text
CALEFFI, 280175A, ThermoProtec™. High-flow thermostatic mixing valve for boiler protection Interchangeable thermostatic sensor cartridge  Complete with:  Brass mixing valve Thermostatic sensor bypass cartridge Connection Options: Sizes: 1 - 1¼” Connection Types: NPT Female, Sweat   Connection: 1 1/4" NPT female, union. Maximum working pressure: 150 psi. Medium temperature range: 40–212 °F. Setting: 130 °F. Material: brass.
280976A 1 1/4" Sweat
union
140 °F
3D models
Tender text
CALEFFI, 280976A, ThermoProtec™. High-flow thermostatic mixing valve for boiler protection Interchangeable thermostatic sensor cartridge  Complete with:  Brass mixing valve Thermostatic sensor bypass cartridge Connection Options: Sizes: 1 - 1¼” Connection Types: NPT Female, Sweat   Connection: 1 1/4" Sweat, union. Maximum working pressure: 150 psi. Medium temperature range: 40–212 °F. Setting: 140 °F. Material: brass.
280176A 1 1/4" NPT female
union
140 °F
3D models
Tender text
CALEFFI, 280176A, ThermoProtec™. High-flow thermostatic mixing valve for boiler protection Interchangeable thermostatic sensor cartridge  Complete with:  Brass mixing valve Thermostatic sensor bypass cartridge Connection Options: Sizes: 1 - 1¼” Connection Types: NPT Female, Sweat   Connection: 1 1/4" NPT female, union. Maximum working pressure: 150 psi. Medium temperature range: 40–212 °F. Setting: 140 °F. Material: brass.

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