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For more technical information, please visit remeha.co.ukFloor Standing BoilerGas 320 AcePre-mix gas burner and one-piece cast aluminium heat exchanger Technical information Gas 320 Ace 5 Section Gas 320 Ace 6 Section Gas 320 Ace 7 Section Gas 320 Ace 8 Section Gas 320 Ace 9 Section Gas 320 Ace 10 Section Nominal heat output central heating operation @ 80/60%u00b0C (kW) (min/max)51-260.7 64.8-326.7 78.6-394.8 91.5-461.0 105.5-530.4 118.7-600.9Nominal heat output central heating operation @ 50/30%u00b0C (kW) (max)278.8 350.3 424.5 497.1 573.5 651.5SBEM seasonal efficiency GCV 96.48% 96.34% 96.19% 96.05% 95.89% 95.75%Efficiency %u2013 full load 100% NCV 98.00% 98.10% 98.20% 98.30% 98.40% 98.50%Efficiency %u2013 Part load 30% NCV 109.20% 109.00% 108.80% 108.60% 108.30% 108.10%Gas consumption NG (m3/hr) 5.7-28.1 7.2-35.2 8.7-42.5 10.1-49.6 11.5-57.0 12.9-64.6Gas consumption LPG (m3/hr) n/a n/a n/a n/a n/a n/aNominal flow rate 20%u00b0C %u0394t (l/s) 3.1 3.9 4.7 5.5 6.3 7.1Hydraulic resistance @ 20%u00b0C %u0394t (mbar)113 110 120 110 125 130Water content (litres) 49 60 71 82 93 104Standard operating temperature (%u00b0C) 20-90 20-90 20-90 20-90 20-90 20-90Min/max water operating pressure (bar)0.8-7.0 0.8-7.0 0.8-7.0 0.8-7.0 0.8-7.0 0.8-7.0Dimensions (W x H x D) (mm) 707 x 1,550x 1,862707 x 1,550x 1,862707 x 1,550x 1,862707 x 1,550x 2,172707 x 1,550x 2,172707 x 1,550x 2,172Appliance dry weight (kg) 366 400 435 497 533 570BREEAM credits*** 2 2 2 2 2 2NOx annual emissions BREEAM EN15502 %u2013 NG mg/kWh (dry. 0% O2) Class 615 16 16 17 18 18Noise levels dB(A) @ 1 metre 55.7 55.7 55.7 55.7 55.7 55.7Nominal power supply 230V x 1ph x 50Hz230V x 1ph x 50Hz230V x 1ph x 50Hz230V x 1ph x 50Hz230V x 1ph x 50Hz230V x 1ph x 50HzPower consumption (W) 10-280 9-345 10-450 10-576 10-768 10-720* Warranty subject to our commissioning.** For more information about second returns, please speak to your Baxi expert.*** Two BREEAM credits when the boiler is configured at commissioning, as per commissioning instructions.Pre-assembled, free-standing, high-efficiency condensing boiler range, delivered on wheels for easy manoeuvrability into the plant room.Secondary returns available**7 year parts and labour warranty*Gas boilers 93