b'Boiler Duty Water kW Boilers, Water(approx BTU/h in brackets))BTU/hHEAT INTERFACE UNITS 75 Kw (250,000) 150 Kw (500,000) 200 Kw (750,000)300 Kw (1,000,000)450 Kw (1,500,000)600 Kw (2,000,000)1200 Kw (4,000,000)1800 Kw (6,000,000)2500 Kw (8,000,000)3000 Kw (10,000,000)6000 Kw (20,000,000)9000+Kw (30,000,000 For Steam Boilers, see Section 5.02For Biofuel & Biomass Boilers, See Section 1.01 & 5.03For Storage Water Heaters see Section 5.12 5.01 For Heat Exchangers see Section 5.06 = Manufacturer or main UK Supplier = Distributor re-seller = Rental / Hire service 1ST SYSTEMS See page 78, 100 & 118 Boilers, Water ACV See page 184 AET See page 49 & 149 ALL SEASONS HIRE See page 70, 71 & 286 ALTECNIC See page 252 ANDREWS SYKES See page 40, 55, 182 & 291ATLANTIC BOILERS See page 12 & 197CARRIER RENTAL SYSTEMS See page 51, 85, 190 & 191 & Heat Interface Units CETETHERM See page 181 FRESE See page 276 GEMTEX See page 204HAMWORTHY HEATING See page 196 HEATRAE SADIA See page 247IDEAL HEATING See page 192 INTATEC See page 20 & 262KESTON BOILERS See page 194 OVENTROP See page 284POTTERTON COMMERCIAL - Baxi Heating See page 187REMEHA Baxi Heating - See page 26 & 178 SAV SYSTEMS UK See page 180 & 280STOKVIS ENERGY SYSTEMSSee page 183 & 209STREBEL See page 186 SWITCH2 See page 173VIESSMANN See page 8WATKINS HIRE See page 51, 85, 190 & 191For addresses & contact details see page 195page179B21_05_v1.indd 1 01/12/2021 12:01'