HEAT PUMP HELPER

Electronic control devices, temperature switches, and a printed instruction manual sold as a unit for the purpose of connecting hot water sources to HVAC equipment in order to create a hydronic heating system

Plumbing fittings, valves, temperature switches, prefabricated plumbing fixtures for radiator heating installations, pumps, electronic control devices, and a printed instruction manual sold as a unit for the purpose of connecting hot water sources to HVAC equipment in order to create a hydronic heating system; Plumbing fittings, valves, temperature switches, prefabricated plumbing fixtures for radiator heating installations, electronic control devices, and a printed instruction manual sold as a unit for the purpose of connecting hot water sources to HVAC equipment in order to create a hydronic heating system; temperature switches, electronic control devices, and a printed instruction manual sold as a unit for the purpose of connecting hot water sources to HVAC equipment in order to create a hydronic heating system; kits for the purpose of connecting hot water sources to HVAC equipment in order to create a hydronic heating system