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LK 556 AntiFreeze

New

LK 556 AntiFreeze

  • Protects heating system from freeze damage
  • The valve is maintenance-free
  • Can be insulated to save energy

LK 556 AntiFreeze protects your heating system, usually in an air/water heat pump, if the fluid temperature should drop below +3°C by draining the system. This prevents the heating system from freezing.

LK 556 AntiFreeze

  • Variants
  • Detailed Information
  • Documentation
  • Videos
  • Accessories & Spare parts

Variants

LK 556 - Male thread

LK 556 - Male thread 2 variants

Article Opening temp. °C Dim. DN Kvs m³/h A mm B mm C mm Weight (kg) Dimensional sketch Item List
182740 3 M 1" 25 55 55 114 32 0.35
182741 3 M 1¼" 32 70 55 123 42 0.4

182740

Opening temp. °C 3
Dim. M 1"
DN 25
Kvs m³/h 55
A mm 55
B mm 114
C mm 32
Weight (kg) 0.35
Dimensional sketch
Item list

182741

Opening temp. °C 3
Dim. M 1¼"
DN 32
Kvs m³/h 70
A mm 55
B mm 123
C mm 42
Weight (kg) 0.4
Dimensional sketch
Item list

Detailed Information

Description

LK 556 AntiFreeze protects your heating system, usually in an air/water heat pump, if the fluid temperature should drop below +3°C by draining the system. This prevents the heating system from freezing.

If the valve opens and drains the system, no action is required to reset the valve, the system can be refilled again as soon as normal circulation in the heating system is resumed.

Insulation is available as an accessory for maximum energy saving. Refer to Accessories & Spare parts.

Technical Data

Opening temperature: 3 °C
Working temperature: 0-75 °C
Ambient temperature: -30-60 ºC
Storage temperature: -30-60 ºC
Max. working pressure: 0.6 MPa (6 bar)
Media 1: Water
Thread standard: G - male thread
Material, valve body: Brass EN 12165 CW617N
Material, sealing: EPDM

Application

Documentation

Product sheet

LK 556 AntiFreeze

Instruction manual

LK 556 AntiFreeze-Instruction_248388

Accessories & Spare parts

Article no. Article Position
187109 Insulation, DN 25-32 1
013010 Gasket Klingersil C4430 M32 2
013016 Gasket Klingersil C4430 M25 2
299189 Flanged pipe - 22 mm, F 1", L=120 mm 3
299190 Flanged pipe - 28 mm, F 1¼", L=120 mm 3
095380 Transition fitting M ¾" x F 1" 4
095381 Connection kit F 1" x M 1¼" 4

Videos

LK 556 AntiFreeze