Honeywell CH/DHW via RF - evohome, sundial, hometronics, chronotherm

I did the same, I found this information here: nanoCUL not transmitting · Issue #31 · ghoti57/evofw3 · GitHub
Afterward, I started the evofw3 autotune process: EVOFW3 Autotune · ghoti57/evofw3 Wiki · GitHub