Specifications
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13.4  Short Parts List – Boiler
  Part Description  Code
  Flow Switch  1476
  Tank & Boiler Control Thermostat  2131
  Boiler Limit Thermostat (Combi Models)  281
  Tank Limit Thermostat  2126
  Pump Overrun Thermostat  3108
  Plate Heat Exchanger  599
  Twin Head Pump  2130
  15/60 Pump (for replacement head)  602
  3 Pole Relay  1827
  Auto Air Vent C/W Check Valve  614
  Pressure Relief Valve  2132
  Filling Loop  2133
  Pressure Gauge  3019
  Mixer Valve  1621
  PCB Controller MK4  2419
  12 Litre Pressure Vessel  2128
  Single Pole Relay & Base  3074
  Dual-Safe Thermostat for Non-Combi Models  WDS2
  Optional Programmer for Combi Models  PC1
  Optional Programmer for Non-Combi Models  PU1
  When ordering replacement casing panels it should be noted that due to the painting 
process there may be some variation in colour.










