PAW K33 Low temperature zone module- 1", 3-way thermostatic mixing valve, Wilo Star S21 FX. For low temperature heating zones controlled by 3-way thermostatic mixing.
PAW K36E Low temperature zone module - 1", constant temperature 120°F, Wilo Star S21 FX. With thermal control valve, to compensate temperature differences in solid fuel boilers as well as in wood firing and stove heating systems.
PAW K34 Low temperature zone module, 3-way Mixing Valve, Bypass 0-50 %, 3/4". For high flow heating zones controlled by motorized mixing with reset control.
PAW K31 High temperature zone module- 1 1/4", Wilo Star S21 FX. For boiler load or floating heat mode for high temperature zone or boiler primary loop.
PAW K36E Low temperature module-1 1/4", constant temperature 130°F, Wilo S21 FX. With thermal control valve, to compensate temperature differences in solid fuel boilers as well as in wood firing and stove heating systems.
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95% DOP and HEPA/ULPA Filters 
