Smart Switch

Related terms

• Smart Thermostat

  A learning/Wi-Fi thermostat with scheduling, remote control, and usage reporting; many qualify for utility rebates.

• Slope / Fall

  Drain pipe must pitch about 1/4 in. per foot — too little won't clear solids, too much drains liquid off solids. A frequent DIY error.

• Smoke & CO Alarm Requirements

  Code rules for interconnected smoke and carbon-monoxide alarms that a remodel of a sleeping area or fuel appliance typically triggers.

• Shutoff / Stop Valve

  The local valve at each fixture allowing isolated repair without shutting the whole house. Adding/replacing them is standard during remod…

• Soil Stack

  The main vertical drain carrying waste from toilets and fixtures down to the building drain.

• Short Cycling

  Equipment turning on and off too frequently — usually from oversizing or airflow problems — causing wear, poor comfort, and high bills.

• Static Pressure

  Resistance to airflow in the duct system. High static (undersized ducts, dirty filter) overworks the blower and cuts capacity.

• Sewer Ejector / Grinder Pump

  A pump moving waste up from below-sewer-level fixtures (basement bath) to the building drain. Required when adding a basement bathroom.