🔧 Valemo MD10: The Ultimate Replacement for Honeywell V8043 and V8044 Valves Review

This part saved me hundreds of dollars. Problems began with maintaining the temperature in different zones. The service engineer suggested adding a door between the upper and lower floors. (At least 10 years without previous releases). I fixed the problem myself and found that the motor turning the flap to the open position was not working. No channel swaps, no new damper and no big bills. Just a small motor with a set screw saved me hundreds. Works like a charm and very easy to fix

This is a 6 rpm motor! Why am I talking about this? Because it's not listed in the description and if you replace the motor with a lower RPM like me (4RPM), this motor does NOT have enough torque to fully close the damper. In other words, you don't get a true 90 degree damper rotation. I had to adjust the set screw in relation to the damper so that it closes fully, which means it does NOT open fully. I made this decision during installation. Yes, I adjusted the mechanical stops, but the motor…

about a year or two ago the zone switch relay on my boiler started flickering and making all sorts of electrical noises and it would take a few minutes to die turn on the heater properly. When I called the HVAC technician to come out and look at the system, he almost immediately determined that the zone valve was faulty. By disconnecting the valve from the circuit, the switching relay stopped sneezing and the boiler system was back in working order. The HVAC guy tells me the motor needs to be…