Equipment:
Potterton Suprima 80e (works/fires) [has had PCB upgrade]
British Gas CH/HW timer (works)
2 x CH actuator ports for main house and granny annexe (work) [BGMVSP-2]
1 x Honeywell actuator port to HW cylinder (works)
2 x Chinese (PICTURE) 4 wire 16 amp thermostats that replaced......
2...