Taco’s 5000 Series Heating Only Mixing Valves provide the high performance temperature stability required for today’s radiant heating systems, making it an ideal choice for a radiant heating system, whether in slab, over pours, or in joist bay heating installations. The 5000 Series Heating Only Mixing Valves have an extended mixing temperature range of 85 to 176°F (29 – 80°C). Features include tamper-resistance cap, low head-loss, outlet temperature strip and optional dial gauge and adaptor.