Hydronic System Components

Caleffi

Caleffi 200000 : 200 Series Thermostatic Control Head, Built-in Sensor, M30 x 1.5

Caleffi

Caleffi 201000 : 201 Series Thermostatic Control Head, Remote Sensor, M30 x 1.5

Caleffi

Caleffi 203502 : 203 Series Thermostatic Control Head, Contact Probe, M30 x 1.5

Caleffi

Caleffi 220400A : Angled TRV Body 1/2" NPT

Caleffi

Caleffi 220500A : Angled TRV Body 3/4" NPT

Caleffi

Caleffi 221400A : Straight TRV Body 1/2" NPT

Caleffi

Caleffi 221500A : Straight TRV Body 3/4" NPT

Caleffi

Caleffi 250041A : Solar Automatic Air Vent 1/2" MNPT

Caleffi

Caleffi 251003A : DISCAL Solar Air Separator 3/4"

Caleffi

Caleffi 251004A : DISCALAIR Solar Air Vent 3/4" MNPT x 1/2" FNPT

Caleffi

Caleffi 253040 : Solar Safety Relief Valve 150 psi

Caleffi

Caleffi 253042 : Solar Safety Relief Valve 36 psi

Caleffi

Caleffi 253043 : Solar Safety Relief Valve 45 psi

Caleffi

Caleffi 253044 : Solar Safety Relief Valve 60 psi

Caleffi

Caleffi 253046 : Solar Safety Relief Valve 90 psi

Caleffi

Caleffi 253048 : Solar Safety Relief Valve 120 psi

Caleffi

Caleffi 280165A : ThermoProtec Boiler Protection Mixing Valve 130 F 1" NPT

Caleffi

Caleffi 280166A : ThermoProtec Boiler Protection Mixing Valve 140 F 1" NPT

Caleffi

Caleffi 280175A : ThermoProtec Boiler Protection Mixing Valve 130 F 1-1/4" NPT

Caleffi

Caleffi 280176A : ThermoProtec Boiler Protection Mixing Valve 140 F 1-1/4" NPT