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- Sat Sep 26, 2020 7:12 pm
- Forum: Honeywell Home evohome
- Topic: S-plan - no HW and CH at same time
- Replies: 6
- Views: 428
Re: S-plan - no HW and CH at same time
I'm fairly certain you're not meant to have the zone valve on the radiator circuit as each radiator has a HR91. If you moved that to be a boiler relay, fixed the CH valve open and disconnected the boiler call from the HW valve you'd match the configuration given in the manual.