means a trench filled with filter subsoil drain material or enhanced by using slotted pipes for the purpose of conveying subsoil water; means a mixing valve that is tempering temperature actuated and is used to temper a hot water supply with cold water to provide hot water at a lower temperature; means the Building Act 1993; the Act means the amount of thermal thermal energy load energy drawn from a heated water service as hot water; means an appliance that thermal fluid heater uses an oil or hydrocarbon based heat transfer medium in the liquid phase; means a mixing thermostatic mixing valve valve in which the temperature of the water from the mixed water outlet is automatically controlled by a thermostatic element or sensor to deliver water at a preselected temperature that is suitable for direct contact with the skin; has the meaning thermostatic mixing valve work set out in regulation 34; has the same meaning as it has in the waste Water Act 1989; has the same meaning as it has Type A appliance in the Gas Act 1997;
subsoil drain means a trench filled with filter material or enhanced by using slotted pipes for the purpose of conveying subsoil water; tempering means a mixing valve that is temperature actuated and is used to temper a hot water supply with cold water to provide hot water at a lower temperature; the Act means the Building Act 1993; thermal energy load means the amount of thermal energy drawn from a heated water service as hot water; thermal fluid heater means an appliance that uses an oil or hydrocarbon based heat transfer medium in the liquid phase; thermostatic mixing valve means a mixing valve in which the temperature of the water from the mixed water outlet is automatically controlled by a thermostatic element or sensor to deliver water at a preselected temperature that is suitable for direct contact with the skin; thermostatic mixing valve work has the meaning set out in regulation 34; waste has the same meaning as it has in the Water Act 1989; Type A appliance has the same meaning as it has in the Gas Act 1997;
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