Key Benefits Universal Compatibility: Support for four primary voltages ensures this unit fits most site power requirements

capable of managing pumps

It features variable timing capabilities via six color-coded program keys

Does the current switch require an external power supply

Does this switch require a separate controller

Hydrotherm 20-00003-001 Air Filter 319825-402 Key Benefits Universal Compatibility: SupportThe Hydrotherm 20 00003 001 Air Filter is a critical OEM replacement HVAC filter engineered specifically for high performance Hydrotherm heating and cooling assemblies. As a veteran technician knows, maintaining proper static pressure and airflow velocity depends entirely on using the correct media density found in genuine Hydrotherm parts. This filter is designed to slide into the factory rack with a precise friction fit, preventing air bypass that