this Apollo Valves component is a critical safety and diagnostic tool for ensuring accurate instrument readings and safe system isolation during routine inspections

while the integrated shunt allows the other side of the line to remain connected

provided the physical footprint fits the enclosure

this genuine OEM component is critical for maintaining thermal efficiency in Trane units

This 4-switch electric heat sequencer features a solid-state 24V heater that provides precise timing for auxiliary contacts

Watts 0556002 Valve this Apollo Valves component isThe Watts 0556002 (Model LFLL100XL 150 3 4) is a lead free transition for the legacy 0066132, engineered specifically for high efficiency water heaters and storage tanks. Designed as a dual function T&P relief valve, it provides autonomous protection against excessive thermal expansion and over pressurization. This model features an extended shank capable of penetrating up to 2 1 2 inches of tank insulation, eliminating the need for additional