PURMO International
Panels

PURMO Compact

Panels - PURMO Compact

The PURMO Compact panel radiators with profi led heating panels and convection fi ns are equipped with side covers and a top grille. Four G ½ " threaded female connectors allow for side connection on both right and left side.

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Technical specifications:



Material: high quality, deep-drawing, low-carbon, cold rolled DC01 steel sheet in accordance with PN-EN 10130.
Spacing of vertical water channels: 33,3 mm
Connections: 4 x G ½" side connectors
Working pressure: 10 bar
Maximal temperature: 110°C
Test pressure: 13 bar
Colour: RAL 9016 white, other colours from the RAL colour chart are available on request.
Accessories bundled with the radiator: brackets, plug, air vent

Radiators sizes

Type 11

Type 21s

Type 22

Type 33

Radiators dimensions in mm



H - Height (300, 450, 500, 550, 600, 900)
L - Length (400, 500, 600, 700, 800, 900, 1000, 1100, 1200, 1400, 1600, 1800, 2000, 2300, 2600, 3000)
h - spacing of connectors

Heat outputs and dimensions

Thermal output of the radiators [W] in accordance with PN-EN 442 for the values of parameters 75/65/20˚C and 70/55/20˚C.

height [mm] 300 450

length [mm]

type C C
temp. 11 21s 22 33 11 21s 22 33
exponent n 1.2981 1.2803 1.3094 1.3140 1.3048 1.3008 1.3226 1.3313
400 75/65°C 218 304 384 539 316 424 539

748

  70/55°C 175 245 308 431 253 340 430

596

500 75/65°C 273 381 481 674 395 530 674

935

  70/55°C 219 306 385 539 317 425 538

746

600 75/65°C 328 457 577 808 474 636 808

1121

  70/55°C 263 367 462 647 380 510 646

895

700 75/65°C 382 533 673 943 553 742 943

1308

  70/55°C 307 429 539 754 443 595 753

1044

800 75/65°C 437 609 769 1078 632 848 1078

1495

  70/55°C 350 490 616 862 506 680 861

1193

900 75/65°C 491 685 865 1212 711 954 1212

1682

  70/55°C 394 551 693 970 570 765 969

1342

1000 75/65°C 546 761 961 1347 790 1060 1347

1869

  70/55°C 438 612 770 1078 633 850 1076

1491

1100 75/65°C 601 837 1057 1482 869 1166 1482

2056

  70/55°C 482 674 846 1186 696 935 1184

1640

1200 75/65°C 655 913 1153 1616 948 1272 1616

2243

  70/55°C 526 735 923 1293 760 1020 1291

1789

1400 75/65°C 764 1065 1345 1886 1106 1484 1886

2617

  70/55°C 613 857 1077 1509 886 1190 1507

2087

1600 75/65°C 874 1218 1538 2155 1264 1696 2155

2990

  70/55°C 701 980 1231 1724 1013 1360 1722

2386

1800 75/65°C 983 1370 1730 2425 1422 1908 2425

3364

  70/55°C 788 1102 1385 1940 1140 1530 1937

2684

2000 75/65°C 1092 1522 1922 2694 1580 2120 2694

3738

  70/55°C 876 1225 1539 2156 1266 1700 2152

2982

2300 75/65°C 1256 1750 2210 3098 1817 2438 3098

4299

  70/55°C 1008 1408 1770 2479 1456 1955 2475

3429

2600 75/65°C 1420 1979 2499 3502 2054 2756 3502

4859

  70/55°C 1139 1592 2001 2802 1646 2210 2798

3877

3000 75/65°C 1638 2283 2883 4041 2370 3180 4041

5607

  70/55°C 1314 1837 2309 3233 1899 2550 3229

4473

height [mm] 500 550
length [mm] type C C
temp. 11 21s 22 33 11 21s 22

33

exponent n 1.3070 1.3076 1.3270 1.3371 1.3093 1.3145 1.3314

1.3428

400 75/65°C 347 462 588 814 378 500 636

879

  70/55°C 278 370 469 649 302 400 508

700

500 75/65°C 434 578 735 1018 472 625 796

1099

  70/55°C 348 463 587 811 378 500 635

875

600 75/65°C 521 694 882 1221 566 749 955

1318

  70/55°C 417 556 704 973 454 600 762

1050

700 75/65°C 608 809 1029 1425 661 874 1114

1538

  70/55°C 487 648 822 1135 529 699 888

1225

800 75/65°C 694 925 1176 1628 755 999 1273

1758

  70/55°C 556 741 939 1298 605 799 1015

1399

900 75/65°C 781 1040 1323 1832 850 1124 1432

1977

  70/55°C 626 833 1056 1460 680 899 1142

1574

1000 75/65°C 868 1156 1470 2035 944 1249 1591

2197

  70/55°C 695 926 1174 1622 756 999 1269

1749

1100 75/65°C 955 1272 1617 2239 1038 1374 1750

2417

  70/55°C 765 1019 1291 1784 832 1099 1369

1924

1200 75/65°C 1042 1387 1764 2442 1133 1499 1909

2636

  70/55°C 834 1111 1408 1946 907 1199 1523

2099

1400 75/65°C 1215 1618 2058 2849 1322 1749 2227

3076

  70/55°C 973 1296 1643 2271 1058 1399 1777

2449

1600 75/65°C 1389 1850 2352 3256 1510 1998 2546

3515

  70/55°C 1113 1482 1878 2595 1209 1599 2031

2799

1800 75/65°C 1562 2081 2646 3663 1699 2248 2864

3955

  70/55°C 1252 1667 2112 2919 1361 1799 2285

3149

2000 75/65°C 1736 2312 2940 4070 1888 2498 3182

4394

  70/55°C 1391 1852 2347 3244 1512 1999 2538

3499

2300 75/65°C 1996 2659 3381 4681 2171 2873 3659

5053

  70/55°C 1599 2130 2699 3730 1739 2298 2919

4023

2600 75/65°C 2257 3006 3822 5291 2454 3247 4137

5712

  70/55°C 1807 2407 3051 4217 1965 2598 3300

4548

3000 75/65°C 2604 3468 4410 6105 2832 3747 4773

6591

  70/55°C 2086 2778 3521 4866 2268 2998 3808

5248

height [mm] 600 900
length [mm] type C C
temp. 11 21s 22 33 11 21s 22

33

exponent n 1.3115 1.3213 1.3358 1.3486 1.3170 1.3390 1.3561

1.3600

400 75/65°C 407 536 684 942 571 744 955

1304

  70/55°C 326 428 545 750 456 593 759

1035

500 75/65°C 509 670 855 1178 714 931 1194

1630

  70/55°C 407 535 681 937 571 741 949

1294

600 75/65°C 611 804 1025 1414 856 1117 1433

1956

  70/55°C 489 643 817 1124 685 890 1138

1553

700 75/65°C 713 938 1196 1649 999 1303 1672

2282

  70/55°C 570 750 954 1312 799 1038 1328

1812

800 75/65°C 814 1072 1367 1885 1142 1489 1910

2608

  70/55°C 652 857 1090 1499 913 1189 1518

2071

900 75/65°C 916 1206 1538 2120 1284 1675 2149

2934

  70/55°C 733 964 1226 1687 1027 1334 1707

2329

1000 75/65°C 1018 1340 1709 2356 1427 1861 2388

3260

  70/55°C 815 1071 1362 1874 1141 1483 1897

2588

1100 75/65°C 1120 1474 1880 2592 1570 2047 2627

3586

  70/55°C 896 1178 1499 2061 1255 1631 2087

2847

1200 75/65°C 1222 1608 2051 2827 1712 2233 2866

3912

  70/55°C 978 1285 1635 2249 1369 1779 2277

3106

1400 75/65°C 1425 1876 2393 3298 1998 2605 3343

4564

  70/55°C 1141 1499 1907 2624 1598 2076 2656

3623

1600 75/65°C 1629 2144 2734 3770 2283 2978 3821

5216

  70/55°C 1304 1713 2180 2999 1826 2372 3035

4141

1800 75/65°C 1832 2412 3076 4241 2569 3350 4298

5868

  70/55°C 1467 1928 2452 3373 2054 2669 3415

4659

2000 75/65°C 2036 2680 3418 4712 2854 3722 4776

6520

  70/55°C 1630 2142 2725 3748 2282 2965 3794

5176

2300 75/65°C 2341 3082 3931 5419 3282 4280 5492

7498

  70/55°C 1874 2463 3133 4310 2625 3410 4363

5953

2600 75/65°C 2647 3484 4443 6126 3710 4839 6209

8476

  70/55°C 2119 2784 3542 4873 2967 3855 4932

6729

3000 75/65°C 3054 4020 5127 7068 4281 5583 7164

9780

  70/55°C 2445 3213 4087 5622 3424 4448 5691

7764

Water capacity and weight

Water volume, weight:

height [mm]: 300 450 500
11 21s 22 33 11 21s 22 33 11 21s 22 33
weight [kg/m]: 9,1 14,0 16,3 24,5 13,9 21,2 24,9 37,4 15,5 23,5 27,7 41,6
water volume : [l/m]: 1,7 3,4 3,4 5,1 2,5 5,0 5,0 7,5 2,7 5,5 5,5 8,2
height [mm]:  550 600 900
11 21s 22 33 11 21s 22 33 11 21s 22  33
weight [kg/m]: 17,1 25,9 30,6 45,9 18,7 28,3 33,4 50,2 28,3 42,3 50,7 75,8
water volume : [l/m]: 3,0 6,1 6,1 9,0 3,2  6,6  6,6  9,8  4,5  9,0 9,0   13,3 

Hydraulic characteristics

The value of pressure drop in the radiator depends on the mass flow of water flowing through.

For the single panel radiators, the value of pressure drop in the radiator can be determined with the following formula::

Δp = 0,0160 * q2
Kv = 2,5 m³/h

For the multiple panel radiators, the value of pressure drop in the radiator can be determined with the following formula::

Δp= 0,0105 * q2
Kv = 3,1 m³/h

where:

Δp- the drop of water flowing through the radiator in pascals [Pa]
q - the mass flow of water flowing through the radiator in kilograms per hour [kg/h]

Types of connections

Same end connection:

The most popular solution allowing for connecting radiators on either the right or the left side. The supply line should be connected to the top and the return line to the bottom connector pipe of the radiator. Reversed connection will cause a drop in the heat output of over 30%.

Opposite ends connection:

With this connection method, the heat output of the radiators will be approximately 10% lower than the rated heat output. This type of connection method is most commonly used with the side-supplied radiators when the heating system piping is distributed in skirting boards above the fl oor.

Flow-through connection:

Recommended for the radiators of length exceeding 2000 mm and also for the radiators of length exceeding four times their height. These connections provide even distribution of temperature over the entire length of the radiator. The supply line should be connected to the left or right connector pipe and the return line should be connected to the opposite, bottom connector pipe. Reversed connection will cause a drop in the heat output of over 30%.

Brackets

Front view

Rear view

Mounting distances [mm]:

type C11 C21s, C22, C33
L L1 L2 L1 L2
400-1600 117 - 133 -
1800 117 917 133 900
2000 117 1017 133 1000
2300 117 1150 133 1150
2600 117 1317 133 1300
3000 117 1517 133 1500

Required quantity of floor brackets

height 300 - 600 mm height 900 mm
length [mm] quantity of floor brackets length [mm] quantity of floor brackets
400 - 1800 2 400 - 1200 2
2000 - 2300 3 1400 - 1800 3
2600 - 3000 4 2000 - 3000 4

A set of brackets for the panel radiators with hanging lugs and the height of 300 - 900 mm - types: C11, C21s, C22, C33

Floor brackets for the 21s, 22, 33 type panel radiators and the height of 300 - 900 mm

Corrective factors

Value of the factor for selecting the heat output of the radiator at temperatures other than 75/65/20 ˚C

t z t p ti air temperature in the heated room [˚C]
[°C] [°C] 5 8 12 16 18 20 22 24
95 90 0,48 0,50 0,54 0,57 0,59 0,61 0,64 0,66
  85 0,50 0,52 0,56 0,60 0,62 0,64 0,67 0,70
  80 0,52 0,55 0,59 0,63 0,65 0,68 0,70 0,73
  75 0,54 0,57 0,61 0,66 0,69 0,72 0,75 0,78
  70 0,57 0,60 0,65 0,70 0,73 0,76 0,79 0,83
90 85 0,52 0,55 0,58 0,63 0,65 0,67 0,70 0,73
  80 0,54 0,57 0,61 0,66 0,68 0,71 0,74 0,77
  75 0,57 0,60 0,64 0,69 0,72 0,75 0,78 0,82
  70 0,59 0,63 0,67 0,73 0,76 0,80 0,83 0,87
  65 0,62 0,66 0,71 0,77 0,81 0,85 0,89 0,93
85 80 0,56 0,59 0,64 0,69 0,72 0,75 0,78 0,81
  75 0,59 0,62 0,67 0,72 0,75 0,79 0,82 0,86
  70 0,62 0,65 0,70 0,77 0,80 0,84 0,88 0,92
  65 0,65 0,69 0,75 0,81 0,85 0,89 0,94 0,99
  60 0,68 0,73 0,79 0,87 0,91 0,96 1,01 1,07
80 75 0,61 0,65 0,70 0,76 0,79 0,83 0,87 0,91
  70 0,64 0,68 0,74 0,81 0,84 0,88 0,93 0,97
  65 0,68 0,72 0,78 0,86 0,90 0,94 0,99 1,05
  60 0,72 0,76 0,83 0,91 0,96 1,01 1,07 1,13
  55 0,76 0,81 0,89 0,98 1,04 1,10 1,16 1,24
75 70 0,67 0,72 0,78 0,85 0,89 0,94 0,98 1,04
  65 0,71 0,75 0,82 0,90 0,95 1,00 1,05 1,12
  60 0,75 0,80 0,88 0,97 1,02 1,08 1,14 1,21
  55 0,80 0,85 0,94 1,04 1,10 1,17 1,24 1,32
  50 0,85 0,91 1,01 1,13 1,20 1,28 1,37 1,47
70 65 0,75 0,79 0,87 0,96 1,01 1,07 1,13 1,19
  60 0,79 0,84 0,93 1,03 1,08 1,15 1,22 1,30
  55 0,84 0,90 0,99 1,11 1,17 1,25 1,33 1,42
  50 0,89 0,96 1,07 1,20 1,28 1,37 1,47 1,58
65 60 0,83 0,89 0,98 1,10 1,16 1,23 1,31 1,40
  55 0,88 0,95 1,05 1,18 1,26 1,34 1,43 1,54
  50 0,94 1,02 1,14 1,29 1,37 1,47 1,59 1,71
60 55 0,94 1,01 1,13 1,27 1,36 1,45 1,56 1,68
  50 1,00 1,08 1,22 1,39 1,48 1,60 1,73 1,87
  45 1,08 1,17 1,33 1,53 1,65 1,78 1,94 2,13
55 50 1,07 1,16 1,31 1,50 1,62 1,75 1,90 2,07
  45 1,15 1,26 1,43 1,66 1,80 1,96 2,15 2,37
  40 1,25 1,37 1,59 1,86 2,03 2,24 2,48 2,78
50 45 1,23 1,36 1,56 1,82 1,98 2,17 2,40 2,67
  40 1,34 1,48 1,73 2,05 2,25 2,50 2,79 3,15
  35 1,47 1,65 1,94 2,36 2,63 2,96 3,38 3,92
45 40 1,45 1,62 1,90 2,28 2,53 2,83 3,19 3,66
  35 1,60 1,80 2,15 2,64 2,96 3,37 3,89 4,58
40 35 1,75 1,98 2,40 3,00 3,41 3,93 4,62 5,54
  30 1,96 2,25 2,79 3,61 4,21 5,01 6,14 7,87

The table has been prepared for n = 1,3

Technical catalogue - Panel radiators (05.2017)

Warranty terms and conditions for PURMO steel panel radiators

  1. PURMO panel radiators are marketed and made available pursuant to the Regulation (EU) of the European Parliament and of the European Council No. 305/2011 laying down harmonized conditions for the marketing of construction products.
  2. Rettig Heating Sp. z o.o. located in Rybnik at Przemysłowa street ( hereinafter referred to as the Guarantor) gives 10 years guarantee ( from date of purchase ) for PURMO panel radiators mounted in water installation of the central heating ,yet not longer than 11 years since the production date given on the radiator.
    10 years guarantee applies to radiators manufactured since 06.03.2007.
  3. The guarantee is valid for radiators mounted in the water installations of the central heating:
    • in closed system with an expansion tank;
    • powered from the heat centre, boiler house or heat pump; 
    • made from black steel / copper or plastic pipes with an antidiffusion barrier; 
    • equipped with local air vents  (no central vent system is allowed) ;
    • used for heating residential areas, office buildings , service stations  or other buildings  that are neither exposed on pernicious corrosive substance activity  nor permanent or temporary moistness of the radiator surface .
    Installation of Purmo panel radiators in small open system installations ( up to 25 kW) is allowed provided the corrosion inhibitors are used.
    During the warranty period the radiators and their components with the faults originated from the manufacturer and reported not later than one month after having been discovered will be repaired or exchanged into new, free of defects devices.
  4. The guarantee is recognized when:
    • there is an evidence of purchase, that is the invoice, 
    • the radiators have been mounted in water central heating systems in compliance with the national technical regulations and standards, 
    • adhering to the requirements of the Guarantor included in „ Terms and conditions of Purmo panel radiators usage”.
  5. Maximal operating pressure in central heating installation for PURMO panel radiators may not exceed 10 bars (6 bars for Vertical radiators ) and the maximal service temperature is 110 °C.
    In high and high-rise buildings a zone distribution system must be applied. The tightness test must be carried out at the experimental pressure equal to working pressure in the installation, adding two bars, yet not lower than four bars. Maximal pressure during the installation tightness test shall be equal to 12 bars ( 8 bars for Vertical radiators). 
  6. The guarantee does not cover radiators mounted:
    • in central heating installation connected to a high temperature heat distribution network through a suction elevator or  pump mixing loop;
    • in swimming pool areas, car wash centers, laundries, slaughterhouses, public toilets, bathrooms or other rooms with high activity of corrosive substances in the air , as well as areas where the radiator is exposed on  permanent or temporary moistness – it does not refer to galvanized radiators , with additional anti-corrosive protection and guarantee for 6 years , yet not longer than 7 years since the production date
    • in central heating installations connected with the water- supply system without protective fittings, against backflows; 
    • in central heating installation with water removed  more frequently or for longer periods than advised in exploitation requirements; 
    • in steam installations ;
    • in central heating installations where the water quality rating level has been higher than advised, that is :
    • the total amount of chloride and sulfate ions may not be higher than 150 mg/l ( for installations with copper pipes not higher than  50 mg/l ),
    • oxygen content not higher than 0.1 mg/l,
    • pH water reaction within 7.0 ÷ 9.5,
    • total water hardness not higher than  4.0 mval/l.
  7. The guarantee does not cover damages to the radiator or its parts ( brackets, covers) that are due to improper handling, storage, transport or misuse.
    It refers, in particular, to radiators:
    • stored in the open air before mounting,
    • with mechanical damage,
    • polluted from inside with solid bodies or noxious liquids, 
    • deformed by excessive experimental pressure or static pressure in the installation,deformed due to freezing,
    • with mechanical damage due to an overload as a result of sitting on the radiator.
  8. The radiators must be mounted with the original packaging. The packaging must be left on the radiator even if the central heating installation is activated for heating in buildings during finishing works or for drainage purposes. It is recommended to remove the packaging after accomplishing all finishing works.
    The radiators require periodical cleaning. It is recommended to use only soft and gentle fabrics that can be slightly moistened.  For cleaning the radiators it is not advised to use aggressive or corrosive agents ( e.g. acidic solvents or agents with chlorine). Panel radiators cannot be used for drying wet or dump objects put on the radiator. Claims for damage of varnished surfaces to improper handling or maintenance will not be granted. 
  9. It is forbidden to remove the water from the entire installation or its part and to leave it in this condition. It also refers to new installations with the tightness test. If there is a need to remove the water , e.g. due to renovation or maintenance works, the water must be removed only from the given part. After accomplishing all works the installation must immediately be filled with water. Quantity of water used for the filling or filling up process must be monitored, e.g. by a watermeter.
  10. The guarantee of our product is granted provided it has not been repaired or modified by a buyer or third party without Guarantor’s approval. 
  11. Occurrence of faults within the warranty period is followed by a claim procedure by notifying the Retailer about the damage in a special claim form including the origin and details of damage. The retailer accepts the claim form and forwards it to the Guarantor via registered letter, fax or e-mail within 24 hours since it has been accepted. In case of incomplete data , the form shall be returned in order to be completed. The invoice or its copy shall be attached with the form. In specific cases the Guarantor may request a photo documentation of the claimed product. The Guarantor is obliged to reply for the complaint in writing within 14 days since a completed form was accepted. 
  12. In order to recognize the claim a visual inspection is performed by the Guarantor in the mounting area or other area determined by the Guarantor. The original packaging used for delivery must be kept for the inspection in case of a damage with mechanical origin. If the claim has been recognized , the Guarantor is obliged to repair or replace the parts found to be defective due to improper manufacturing or material defects or exchange the radiator into a new device that is free of defects. In specific cases,  ( e.g. when the product needs to be sent from abroad) the Guarantor has the right to extend the deadline to recognize the claim that is normally defined to be 14 days.
    In case of damages that do not affect the radiator functionality, a discount may also be offered.
    In case of the claim regarding a product, manufacturing of which has been ceased , the Guarantor will offer an equivalent with similar  parameters or a money back guarantee at the date of the purchase. The Guarantor does not deliver an alternative device for the time of claim recognition process.
  13. The Guarantor has the right to select the method of claim settlement.
    In case the claim is recognized in the form of exchange, all mounting shall be delivered by an authorized Purmo service centre. In case any difficulties occur when mounting the exchanged radiator, e.g. lack of valve for separating the radiator from installation, the service centre may refuse to disassemble or mount the new radiator. As a consequence, the warranty claim is recognized as exercised by the Guarantor.
  14. The warranty period shall be extended due to reparation time calculated since the date of delivery to the Guarantor to the reparation date . In case of exchange a new warranty period is granted.
  15. The Guarantor reserves the right to make modifications to his products without prior notice unless they refer to any significant technical details affecting the process of selection. 
  16. The warranty terms on goods sold do not exclude , limit or suspend  rights of the buyers when the product fails to comply with the contract in accordance with the Act of 27.07. 2002 on specific conditions of consumer sale and amendings of  the Civil Code. (Journal of Laws  2002  no. 141, point 1176).
  17. Warranty conditions are valid as stated since  01.07.2013 .