Yes.
A Pelican humidity thermostat (TS200H or TS250H) work normally with a WM500 as long as you don’t need the dehumidify (DH) or humidify (HU) signals.
A Pelican humidity thermostat (TS200H or TS250H) work normally with a WM500 as long as you don’t need the dehumidify (DH) or humidify (HU) signals.