ThermostatRoundCelsius24v1H/1C

Mercury Free Round Thermostat, 18-30Vac, Battery Assisted Power Stealing, 40-90 Degree Temperature Setting Range, 1 Stage Heat, 1 Stage Cool Conventioanl Systems or Heat Pumps with No Auxiliary Heat, Heat-Off-Cool System Switching, Auto-On Fan Switching, Thermistor Sensor Element, 1 Degree Accuracy, 5-90% RH Non Condensong Operating Humidity Range, Premier White, Easy to See Model with Large Raised Markings and a Click at each 2 Degree Setpoint Change, Includes 6" Cover Ring and Switch Position Labels

1/2"33.6GalTaxTherExpansionTnk

1/2", 7.8 gallon, thermal expansion tank, designed to absorb hot water expansion in closed heating systems, factory precharged at 12psi, steel shell, butyl diaphragm

1/2", 10.9 gallon, thermal expansion tank, designed to absorb hot water expansion in closed heating systems, factory precharged at 12psi, steel shell, butyl diaphragm

1/2", 21.7 gallon, thermal expansion tank, designed to absorb hot water expansion in closed heating systems, factory precharged at 12psi, steel shell, butyl diaphragm

1/2", 33.6 gallon, thermal expansion tank, designed to absorb hot water expansion in closed heating systems, factory precharged at 12psi, steel shell, butyl diaphragm

1/2", 44.4 gallon, thermal expansion tank, designed to absorb hot water expansion in closed heating systems, factory precharged at 12psi, steel shell, butyl diaphragm

1/2", 55.7 gallon, thermal expansion tank, designed to absorb hot water expansion in closed heating systems, factory precharged at 12psi, steel shell, butyl diaphragm

1", 68 gallon, thermal expansion tank, designed to absorb hot water expansion in closed heating systems, factory precharged at 12psi, steel shell, butyl diaphragm