Product Overview

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Caleffi
North America, Inc.
3883 W. Milwaukee Road
Milwaukee, WI 53208
Tel: [phone] · Fax: [phone]
[e-mail] · www.caleffi.com ©
Copyright 2019 Caleffi North America, Inc.
220 series
Thermostatic valve for radiators suitable for thermo-electric and thermostatic control heads. Angled connections for steel pipes 1/2" and 3/4" NPT
female. Radiator connection 1/2" and 3/4" NPT male with tailpiece. Brass body. Chrome plated. Control knob in ABS white RAL 9010. Double seal on
valve control stem with EPDM O-Rings. Maximum working temperature 212°F (100°C). Maximum working pressure 150 psi (10 bar). Provide with code
4490101 manual knob. Combined with 200000 and 201000 control heads certified to UNI EN 215.
221 series
Thermostatic valve for radiators suitable for thermo-electric and thermostatic control heads. Straight connections for steel pipes 1/2" and 3/4" NPT
female. Radiator connection 1/2" and 3/4" NPT male with tailpiece. Brass body. Chrome plated. Control knob in ABS white RAL 9010. Double seal
on valve control stem with EPDM O-Rings. Maximum working temperature 212°F (100°C). Maximum working pressure 150 psi (10 bar). Provide with
code 4490101 manual knob. Combined with 200000 and 201000 control heads certified to UNI EN 215.
200 series
Thermostatic control head for thermostatic and convertible radiator valves. Sensor incorporated with liquid-filled element. Maximum ambient tempera-
ture 120°F (50°C). Graduated scale from * to 5 corresponding to a temperature range of 45 to 82°F (7 to 28°C), with possibility of temperature restric-
tion and locking. Frost protection cut-in at 45°F (7°C). Combined with 220 series, 221 series valves certified to UNI EN 215.
201 series
Thermostatic control head for thermostatic and convertible radiator valves. Remote sensor incorporated with liquid-filled element. Maximum ambient
temperature 120°F (50°C). Graduated scale from * to 5 corresponding to a temperature range of 45 to 82°F (7 to 28°C), with possibility of temperature
restriction and locking. Frost protection cut-in at 45°F (7°C).Combined with 220 series, 221 series valves certified to UNI EN 215.
203 series
Thermostatic control head with contact probe. Setting temperature range 68–122°F (20–50°C). Maximum sensor temperature 212°F (100°C). Pre-set
scale corresponds to adjustment temperature range of 68–122°F (20–50°C), with possibility of temperature restriction and locking. Length of capillary
78" (2 m).
472 series
Thermostatic control head with remote adjusting knob, liquid-filled element. Setting temperature range 43–82°F (6–28°C). Maximum sensor tempera-
ture 120°F (50°C). Graduated scale from * to 5 corresponding to a temperature range of 43 to 82°F (6 to 28°C). Frost protection cut-in at 43°F (6°C).
Lengthof capillary 78" (2 m).
SPECIFICATION SUMMARIES
Code Description
449010 Manual knob
4490
Manual knob for thermostatic radiator
valves. For valves 220 and 221 series.
Accessories