Recent content by Sam1008

Thanks for your quick response Stem. The information is extremely useful. I have just done as you have instructed. Turn HW on, Turn HW off, check valve to confirm buzzing/engaged, turn off breaker, turn on breaker and check valve. As you suggested, the valve is no longer making any noise...

Sorry to bring up an old thread (and potentially hijack it) but i just used this along with Stems other posts to install a Nest v3 thermostat into my house. As with the OP, I have a 3 way port valve system and believed to have wire everything in as expected. The boiler is firing when CH or HW is...