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John Guest uses only high-quality Polybutylene pipe
making it easy to monitor the system and identify any issues
and versatile applications make it an ideal choice for a wide range of heating and control needs
COP up to 5 with typical annual efficiencies of up to 300%
we go above and beyond to provide exceptional customer service
British General 63A 30MA Residual Current Device voucher banner 1 John Guest uses only high-qualityBritish General 63A 30 MA is a two module, double pole Residual Current Device (RCD) that offers the best fault protection for home and light commercial applications. Key Features Architecture: Neutral Position: Right Number of Poles: 2 P Fixing Mode: DIN rail type O (symmetrical) Main Electrical Features: Rated Operational Voltage (Ue): 230 V Frequency: 50 Hz Rated Insulation Voltage: 500 V Rated Impulse Withstand Voltage: 4000 V Electric Current: