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    LK Armatur is a leading producer in Europe, manufactures millions of valves per year for the global HVAC market. Our solutions are based on a comprehensive view of how valves, control units, components and prefabricated products work together. Svenska English Deutsch Italiano Yкраїнська Suomi

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LK 551 HydroKit Solar
LK 551 HydroKit Solar
LK 551 HydroKit Solar
LK 551 HydroKit Solar

LK 551 HydroKit Solar

  • Simple installation
  • Plug and play
  • Scald protection

LK 551 HydroKit Solar is a valve combination, designed to energy optimize water heating from two different heat sources. In order to maintain the set water temperature, the warm water from one heat source is mi...

Read more

LK 551 HydroKit Solar

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

Variants

LK 551 HydroKit Solar - with connection kit

LK 551 HydroKit Solar - with connection kit 6 variants

Article Dim. Kvs m³/h A mm B mm C mm D mm E mm F mm Weight (kg) Note Dimensional sketch Item List
181588 M ¾" 1,6 79 70 149 273 140 79 1.6
182292 M ¾" 1,6 79 70 149 55 140 79 1.7 Insulation included
182782 M ¾" 2,5 97 77 149 280 140 79 1.7
182294 M ¾" 2,5 97 77 149 280 140 79 1.7 Insulation included
182783 M ¾" 3,5 97 77 175 310 154 100 2.5
182674 M ¾" 3,5 97 77 175 310 154 100 2.5 Insulation included

181588

Dim. M ¾"
Kvs m³/h 1,6
A mm 79
B mm 70
C mm 149
D mm 273
E mm 140
F mm 79
Weight (kg) 1.6
Note
Dimensional sketch
Item list

182292

Dim. M ¾"
Kvs m³/h 1,6
A mm 79
B mm 70
C mm 149
D mm 55
E mm 140
F mm 79
Weight (kg) 1.7
Note Insulation included
Dimensional sketch
Item list

182782

Dim. M ¾"
Kvs m³/h 2,5
A mm 97
B mm 77
C mm 149
D mm 280
E mm 140
F mm 79
Weight (kg) 1.7
Note
Dimensional sketch
Item list

182294

Dim. M ¾"
Kvs m³/h 2,5
A mm 97
B mm 77
C mm 149
D mm 280
E mm 140
F mm 79
Weight (kg) 1.7
Note Insulation included
Dimensional sketch
Item list

182783

Dim. M ¾"
Kvs m³/h 3,5
A mm 97
B mm 77
C mm 175
D mm 310
E mm 154
F mm 100
Weight (kg) 2.5
Note
Dimensional sketch
Item list

182674

Dim. M ¾"
Kvs m³/h 3,5
A mm 97
B mm 77
C mm 175
D mm 310
E mm 154
F mm 100
Weight (kg) 2.5
Note Insulation included
Dimensional sketch
Item list

Connection kit included: contains nuts, gaskets, fittings (5 pcs of each) check valves (2 pcs).

LK 551 HydroKit Solar - Male thread

LK 551 HydroKit Solar - Male thread 6 variants

Article Dim. Kvs m³/h A mm B mm C mm D mm E mm F mm Weight (kg) Note Dimensional sketch Item List
181690 M 1" 1,6 44 35 149 238 70 79 1.6
182293 M 1" 1,6 44 35 149 238 70 79 1.7 Insulation included
182784 M 1" 2,5 62 42 149 245 70 79 1.7
182295 M 1" 2,5 62 42 149 245 70 79 1.7 Insulation included
182785 M 1" 3,5 62 42 174 269 84 97 1.9
182427 M 1" 3,5 62 42 174 269 84 97 1.9 Insulation included

181690

Dim. M 1"
Kvs m³/h 1,6
A mm 44
B mm 35
C mm 149
D mm 238
E mm 70
F mm 79
Weight (kg) 1.6
Note
Dimensional sketch
Item list

182293

Dim. M 1"
Kvs m³/h 1,6
A mm 44
B mm 35
C mm 149
D mm 238
E mm 70
F mm 79
Weight (kg) 1.7
Note Insulation included
Dimensional sketch
Item list

182784

Dim. M 1"
Kvs m³/h 2,5
A mm 62
B mm 42
C mm 149
D mm 245
E mm 70
F mm 79
Weight (kg) 1.7
Note
Dimensional sketch
Item list

182295

Dim. M 1"
Kvs m³/h 2,5
A mm 62
B mm 42
C mm 149
D mm 245
E mm 70
F mm 79
Weight (kg) 1.7
Note Insulation included
Dimensional sketch
Item list

182785

Dim. M 1"
Kvs m³/h 3,5
A mm 62
B mm 42
C mm 174
D mm 269
E mm 84
F mm 97
Weight (kg) 1.9
Note
Dimensional sketch
Item list

182427

Dim. M 1"
Kvs m³/h 3,5
A mm 62
B mm 42
C mm 174
D mm 269
E mm 84
F mm 97
Weight (kg) 1.9
Note Insulation included
Dimensional sketch
Item list

Detailed Information

Description

LK 551 HydroKit Solar is a valve combination, designed to energy optimize water heating from two different heat sources. In order to maintain the set water temperature, the warm water from one heat source is mixed and led directly to the mixed water outlet or if needed diverted to an other heat source for further heating.

LK 551 HydroKit Solar has two thermic valves; one diverting valve and one mixing valve with anti-scald function. The warm water temperature, for the mixing valve, is adjustable within the range of 35 °C to 65 °C and for the diverting valve the temperature is adjustable within the range of 42 °C to 52 °C.

Technical Data

Max. working pressure: 1.0 MPa (10 bar)
Working temperature: Min. 5 °C/Max. 95 °C
Diverting temperature: Min. 42 °C/Max. 52 °C
Operating temperature: Min. 35 °C/Max. 65 °C
Thread standard: G - male thread
Media 1: Water - Glycol mixture max. 50% Ethanol mixture max. 30%
Material, valve body: Brass EN 12165 CW617N
Other data: Divertingtemperature Min. 42 °C/Max. 52 °C
Temperature stability ±3 °C
Temperature stability: ±3 °C

Application

Documentation

Product sheet

LK 551 HydroKit Solar

Instruction manual

551 HydroKit Solar - Instruction_248182

Applications

Solar heating ENG

Accessories & Spare parts

Article no. Article Position
095234 Repair kit 551, 35 - 65 °C (Kvs 1.6) 1
095075 Repair kit 551 F, 42 - 52 °C. Kvs 1.6 1
095350 Repair kit 551, 35 - 65 °C, Kvs 3.2-4.2 1
095444 Repair kit 551 F, 42 - 52 °C. Kvs 3,5 1
095389 Connection kit M ¾" x 1" with rotating nut, gaskets, 2 check valves 2
095390 LK Insulation (Kvs 1.6 - 2.5) 3
095459 LK Insulation (Kvs 3.5) 3