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Ships within 48 hours · Estimated delivery Aug 22 - Aug 27
Annual energy saving
Building Regulations Part G applies
A dedicated fused spur with a double-pole isolating switch (minimum 3 mm contact separation) is required for the immersion heater circuit
The E901-RF replaces any existing 2-wire wired room thermostat
OSO Add On Kit Fitting Kit For Extra SuperStream Accumulator Expansion Parallel Connection Classic 15mm Annual energy saving11007327 Add On Kit Expansion Fitting For Extra Accumulator SuperStream Compatible OSO Add On Kit (11007327) Essential expansion fitting kit for adding extra SuperStream accumulators in parallel Includes vessel connector, isolation valve & brass fittings Enables higher total flow & capacity WRAS compliant brass components Use one kit per additional accumulator (beyond the first unit which uses Upstream Kit) Compatible with all SuperStream models
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