• Altherma TM • Domestic hot water tank 243• Domestic hot water tank • EKHWS-B4 Dimensional drawing & centre of gravity4 - 1 Dimensional drawing443TW57944-1EKHWS-Bj1 Water mains in G 3/4 (Female)j2 Water mains out G 3/4 (Female)j3 Thermistor connectionj4 Flow (from EKHB(H/X)*) G 3/4 (Female)j5 Return (to EKHB(H/X)*) G 3/4 (Female)j6 Switchboxj7 Thermal protectorj8 Anodej9 Cable entry: power, booster heater and thermal protection cablej10 Re-circulation connection: G 3/4 (Female)j11 Cable entry for EKSOLHWAV1: power supply from EKHB(H/X)j12 Cable entry for EKSOLHWAV1: power supply to EKSOLHWAV1pumpj13 Thermistor connection (See EKSOLHWAV1)j14 3 way valveRequired service space around thetank3 way valveEKHWSU-BWater connections kitj9 Pressure reducing valve 22MM-22MMj10 Expansion relief valve 22MM-22MMj11 T-piece (to tundish) 15MM-15MM-G 1/2 (Female)j12 Tundish 22MM-15MMj13 T-piece (to expansion vessel) 22MM-22MM-22MMj14 Adapter (expansion vessel) 22MM-G 3/4 (Female)j15 Expansion vessel G 3/4 (Male)j16 Drain valve 22MM-G 2/4 (Female)j17 Solenoid valve 3/4’’ female BSP-3/4’’ hale BSPWater connectionsj1 Water IN (cold) 22MMj2 Water OUT (hot) G 3/4 (Female)j3 Flow from EKHB(H/X)* G 3/4 (Female)j4 Return to EKHB(H/X)* G 3/4 (Female)j5 Temperature relief valve 15MMj6 Thermistor connectionj7 Thermistor connection ( See EKSOLHWAV1) G 1/2 (Female)j8 Re-circulation hole G 3/4 (Combinationscompliant to NF-PAC)Otherj18 EKUHW2WB kit: solenoid valve (only with EKSOLHWAV1) Rp 3/4 - Rp 3/4j19 Switchboxj20 Thermal protector 1+Thermostatj21 Cable entry: power supply booster heater and thermal protector cablej22 Cable entry for EKUHW2WB: power supply to solenoid valvej23 Cable entry: power supply booster heater and thermal protector cablej24 Blind stop + 2 plastic screw-on closing caps for pressure reducing valvej25 Thermal protector 2+Thermostatj26 Cable entry for EKSOLHWAV1: power supply to EKSOLHWAV1 pumpj27 3 way valve 3x Rp1Typical installation EKUHWA-kitRequired service space3TW57944-2AModel H1 H2 H3 H4EKHWSU150B3V3 900 1015 255 130EKHWSU200B3V3 1150 1265 410 200EKHWSU300B3V3 1600 1715 410 200