Arpa 23_2 Vertical

The ability to size the radiator with the highest level of flexibility and style. The ARPA 23_2 radiator represents a practical solution for every thermal power requirement. ARPA 23_2 Vertical is available in 14 heights, from 4 to 40 elements and thermal powers from 161 to 3344 Watt.

Configure Technical document

The images on this page have the sole purpose of depicting the product. Finishes and models may not have a perfect match with the actual product.

Configure your ARPA

Arpa 12 Vertical

Arpa 12_2 Vertical

Arpa 18 Vertical

Arpa 18_2 Vertical

Arpa 23 Vertical

Arpa 23_2 Vertical

Choose most used

Connection top/bottom with angle valve

Connection left/right with angle valve

50mm connection with angle valve

Select valve finish

Standard white

Chrome

MATCHING YOUR RADIATOR

Select wall

Select floor

Dark travertine

Light travertine

Tiles

Mahogany

Oak

Wooden Planks

Custom color

-

Thermal power

Showroom Find Showroom

Discover accessories

Construction features

round section manifold, 30 mm diameter
23 mm diameter steel round pipes
threading at the ends of the manifolds, right G 1/2”
maximum working pressure 8 bar
maximum working temperature 95°C

Low temperature

Hydraulic radiator

Model	Depth (mm)	Height (mm)	Conn. centre (mm)	Weight (kg)	Capacity (lt)		Exponent
520	70,0	520	470	0,80	0,36	137,2 34,6 40,2 30,2 20,9 12,4	1,280
550	70,0	550	500	0,85	0,38	143,3 36,1 42,0 31,6 21,8 13,0	1,281
650	70,0	650	600	1,00	0,45	162,8 41,0 47,7 35,8 24,7 14,7	1,285
670	70,0	670	620	1,03	0,46	166,5 42,0 48,8 36,6 25,3 15,0	1,286
700	70,0	700	650	1,08	0,48	172,3 43,4 50,5 37,9 26,2 15,5	1,287
750	70,0	750	700	1,15	0,52	181,9 45,8 53,3 40,0 27,6 16,4	1,289
850	70,0	850	800	1,31	0,59	201,3 50,7 59,0 44,2 30,5 18,0	1,293
870	70,0	870	820	1,33	0,54	205,1 51,7 60,1 45,0 31,0 18,4	1,294
920	70,0	920	870	1,38	0,63	214,6 54,1 62,9 47,1 32,4 19,2	1,297
1220	70,0	1220	1170	1,81	0,82	273,6 69,0 80,2 59,8 40,9 24,0	1,317
1520	70,0	1520	1470	2,20	1,04	335,4 84,5 98,3 72,9 49,6 28,9	1,337
1820	70,0	1820	1770	2,63	1,25	400,2 100,9 117,3 87,3 59,7 34,9	1,322
2020	70,0	2020	1970	2,89	1,34	446,3 112,5 130,8 97,6 66,9 39,3	1,312
2520	70,0	2520	2470	3,61	1,67	570,5 143,8 167,2 123,0 82,9 47,5	1,375

Thanks to the high performance of Irsap ARPA 23_2 Vertical radiators, the ideal Δt for low temperature projects is Δt at 30°C.

For Δt different from 50°C use the formula: Q=Qn (Δt / 50)n

Standard equipment

round section manifold, 30 mm diameter
23 mm diameter steel round pipes
threading at the ends of the manifolds, right G 1/2”
maximum working pressure 8 bar
maximum working temperature 95°C

L

= Length (mm)

E

= N° Elem.

L Length (mm)	E N° Elem.		520	550	650	670	700	750	850	870	920	1220	1520	1820	2020	2520
130	4	Watt = W =	161	168	191	195	202	213	236	240	252	321	393	469	523	669
198	6	Watt = W =	241	252	286	293	303	320	354	361	377	481	590	704	785	1003
266	8	Watt = W =	322	336	382	390	404	426	472	481	503	642	786	938	1046	1338
334	10	Watt = W =	402	420	477	488	505	533	590	601	629	802	983	1173	1308	1672
402	12	Watt = W =	482	504	572	586	606	640	708	721	755	962	1180	1408	1570	2006
470	14	Watt = W =	563	588	668	683	707	746	826	841	881	1123	1376	1642	1831	2341
538	16	Watt = W =	643	672	763	781	808	853	944	962	1006	1283	1573	1877	2093	2675
606	18	Watt = W =	724	756	859	878	909	959	1062	1082	1132	1444	1769	2111	2354	3010
674	20	Watt = W =	804	840	954	976	1010	1066	1180	1202	1258	1604	1966	2346	2616	3344
742	22	Watt = W =	884	924	1049	1074	1111	1173	1298	1322	1384	1764	2163	2581	2878	-
810	24	Watt = W =	965	1008	1145	1171	1212	1279	1416	1442	1510	1925	2359	2815	3139	-
878	26	Watt = W =	1045	1092	1240	1269	1313	1386	1534	1563	1635	2085	2556	3050	-	-
946	28	Watt = W =	1126	1176	1336	1366	1414	1492	1652	1683	1761	2246	2752	3284	-	-
1014	30	Watt = W =	1206	1260	1431	1464	1515	1599	1770	1803	1887	2406	2949	-	-	-
1082	32	Watt = W =	1286	1344	1526	1562	1616	1706	1888	1923	2013	2566	3146	-	-	-
1150	34	Watt = W =	1367	1428	1622	1659	1717	1812	2006	2043	2139	2727	3342	-	-	-
1218	36	Watt = W =	1447	1512	1717	1757	1818	1919	2124	2164	2264	2887	-	-	-	-
1286	38	Watt = W =	1528	1596	1813	1854	1919	2025	2242	2284	2390	3048	-	-	-	-
1354	40	Watt = W =	1608	1680	1908	1952	2020	2132	2360	2404	2516	3208	-	-	-	-

Type	Description	Document	Downloads
Technical document			Downloads PDF
Catalogs	Catalog 2023	Catalog 2023	Downloads PDF
Catalogs	Color chart	Color chart	Downloads PDF
Installation Manual	FOISTR0394M	FOISTR0394M	Downloads PDF
Installation Manual	FOISTR0651M	FOISTR0651M	Downloads PDF
Installation Manual	FOISTR0431M	FOISTR0431M	Downloads PDF

Type	Description	Document	Downloads
3D Model	ARPA23_2_VERT	ARPA23_2_VERT

Calculate the power

How to choose the Arpa 23_2 Vertical radiator for your home? How to know what is the right power to heat each room? Online thermal requirement allows you to identify the most suitable radiator for your living space