H20-RS1 T shape 2KW LX spa tub heater,LX SPA Pool Heater H20-Rs1 2KW massage Bath Tub Heater with an adjustable temperature button. hydromassage bathtub, SPA large outdoor pool, heating thermostat. liquid expansion thermostat, adjust temperature with 0-45degree cens automatic reset, limit temperature with 60 degree cens manual reset.
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