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OUTLINE SPECIFICATIONS
Maximum working head
Immersion heater rating (a.c. supply only)
Maximum primary circuit pressure
Outer casing:
White textured plastic coated corrosion proofed steel
Water container:
Duplex stainless steel (grade 1.4362 to EN10088). 100% pressure tested to 15 bar.
Thermal insulation:
HCFC/CFC free fire retardant expanded polyurethane foam. Nominal thickness 40mm.
Immersion heater:
Titanium sheathed element. Alloy 825 thermostat pocket. Brass 1 3/4" BSP male parallel threaded boss.
Pipe connections:
All connections 22mm outside diameter stainless steel pipe - suitable for compression nuts and olives.
Secondary return tapping thread rate is 3/4" BSP female parallel to accept standard 3/4"BSP male fittings
if required.
Safety features:
Direct units -
Manually resettable thermal cut-out on each heating element
Indirect units -
Manually resettable thermal cut-out on heating element
Manually resettable thermal cut-out for primary heating. Must be wired in conjunction with a
suitable motorised valve located within the primary heating circuit (not supplied).
22
22
40 metres (4 bar)
3kW 240V
2.8kW 230V
3.5 bar
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