OSO Add On Kit Fitting Kit For Extra SuperStream Accumulator Expansion Parallel Connection Classic 15mm A dedicated fused spur with

A dedicated fused spur with a double-pole isolating switch (minimum 3 mm contact separation) is required for the immersion heater circuit

Operating Temperature Range: -40°C to +90°C (withstanding up to 120°C for limited hours) — ensures reliable operation in harsh environments

The E901-RF replaces any existing 2-wire wired room thermostat

performance

It fits in locations that would otherwise require an expensive structural alteration or force a compromise to a smaller vented tank

OSO Add On Kit Fitting Kit For Extra SuperStream Accumulator Expansion Parallel Connection Classic 15mm A dedicated fused spur with11007327 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