“I've replaced this valve twice, which is disappointing. However, I have a second valve (same part number) that is 1 years old and has never had an issue.”
“Great quick delivery of Honeywell zone valve heads. As web search predicted, one of the two failed to trigger the end switch that starts boiler. Frustrating.”
“Before the winter of 2019 I replaced all (3) of my aging Zone Valves. Unfortunately I have already had to replace 2 of the 3 Replacement Heads. The gears start slipping, and valve will no longer close.”
