Recent content by Mark Wint

I've used a variety over the years. The Siemens SSA61 are a good 0-10V M30 thread actuator and fit most Honeywell Valve bodies (VT117, VT15), I have 11 of these on rads at home. The Johnsons va-7482-2001 are too very good and can be bought cheap off eBay usually. What Valve bodies do you have?