VAILLANT ECOTEC PLUS 831 & PRO 28 VUW MAIN HEAT EXCHANGER 0020135131 GENUINE 0020147866 The Drayton LP822 gives the

The Drayton LP822 gives the end user real flexibility with programming

DHW flow detection systems

Ending IN AC  – 41-467-27 Potterton Gold 30 FSB  – 41-592-32 Potterton Gold H 15  – 41-592-12 Potterton Gold H 18  – 41-592-13 Potterton Gold H 24  – 41-592-14 Potterton Gold Heat 15 Erp Serial No

Grundfos UPS3 15-50/65 130 → direct upgrade

Must match 10028141 exactly

VAILLANT ECOTEC PLUS 831 & PRO 28 VUW MAIN HEAT EXCHANGER 0020135131 GENUINE 0020147866 The Drayton LP822 gives theVAILLANT ECOTEC PLUS 831 & PRO 28 VUW MAIN HEAT EXCHANGER 0020135131 GENUINE. Condition is Seller refurbished. Dispatched with Royal Mail 1st Class.