ATAG iSteel Twin Coil Cylinders

The iSteel twin coil cylinders range from 150 to 300 litres. They work with the ATAG iS system and iR regular boilers.

Key features and benefits

  • Rapid heat up recovery
  • Compatible with solar systems
  • A 25 year warranty
  • Compliant with part ‘L’ of the building regulations – conservation of fuel and power
  • Rated ‘B’ for energy efficiency
  • A 2 year warranty on cylinder components

Specifications

The table represents the technical information for the cylinder part number.

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ERP ENERGY EFFICIENCY CLASS

B

CAPACITY (LTRS)

150

HEIGHT (MM)

1140

DIAMETER (MM)

545

WEIGHT EMPTY (KG)

36

WEIGHT FULL (KG)

183

INDIRECT REHEAT (MINS)

17

IMMERSION REHEAT (MINS)

57

HEAT EXCHANGER (KW)

16.46

SOLAR VOLUME (L)

77

STANDING LOSS (KWH/DAY)

1.26

Tapping heights below:

COLD INLET

195

BOTTOM COIL

310

STAT POCKET

365

TOP COIL

660

IMMERSION

705

STAT POCKET

765

SEC. RETURN

-

T&P VALVE

900

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ERP ENERGY EFFICIENCY CLASS

B

CAPACITY (LTRS)

180

HEIGHT (MM)

1320

DIAMETER (MM)

545

WEIGHT EMPTY (KG)

38

WEIGHT FULL (KG)

215

INDIRECT REHEAT (MINS)

20

IMMERSION REHEAT (MINS)

80

HEAT EXCHANGER (KW)

18.55

SOLAR VOLUME (L)

95

STANDING LOSS (KWH/DAY)

1.40

Tapping heights below:

COLD INLET

195

BOTTOM COIL

310

STAT POCKET

365

TOP COIL

665

IMMERSION

725

STAT POCKET

775

SEC. RETURN

-

T&P VALVE

1070

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ERP ENERGY EFFICIENCY CLASS

B

CAPACITY (LTRS)

210

HEIGHT (MM)

1510

DIAMETER (MM)

545

WEIGHT EMPTY (KG)

42

WEIGHT FULL (KG)

249

INDIRECT REHEAT (MINS)

22

IMMERSION REHEAT (MINS)

93

HEAT EXCHANGER (KW)

18.55

SOLAR VOLUME (L)

101

STANDING LOSS (KWH/DAY)

1.54

Tapping heights below:

COLD INLET

195

BOTTOM COIL

370

STAT POCKET

420

TOP COIL

780

IMMERSION

835

STAT POCKET

890

SEC. RETURN

1155

T&P VALVE

1265

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ERP ENERGY EFFICIENCY CLASS

B

CAPACITY (LTRS)

250

HEIGHT (MM)

1720

DIAMETER (MM)

595

WEIGHT EMPTY (KG)

51

WEIGHT FULL (KG)

298

INDIRECT REHEAT (MINS)

25

IMMERSION REHEAT (MINS)

113

HEAT EXCHANGER (KW)

22

SOLAR VOLUME (L)

107

STANDING LOSS (KWH/DAY)

1.76

Tapping heights below:

COLD INLET

195

BOTTOM COIL

370

STAT POCKET

420

TOP COIL

855

IMMERSION

905

STAT POCKET

970

SEC. RETURN

1400

T&P VALVE

1510

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ERP ENERGY EFFICIENCY CLASS

B

CAPACITY (LTRS)

300

HEIGHT (MM)

1980

DIAMETER (MM)

595

WEIGHT EMPTY (KG)

60

WEIGHT FULL (KG)

358

INDIRECT REHEAT (MINS)

34

IMMERSION REHEAT (MINS)

139

HEAT EXCHANGER (KW)

22

SOLAR VOLUME (L)

121

STANDING LOSS (KWH/DAY)

2.03

Tapping heights below:

COLD INLET

195

BOTTOM COIL

370

STAT POCKET

420

TOP COIL

990

IMMERSION

1035

STAT POCKET

1095

SEC. RETURN

1615

T&P VALVE

1785

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