Watts 0556001 Relief Valve providing the throughput necessary for

providing the throughput necessary for mid-sized commercial and residential appliances

this OEM-specified part replaces worn or brittle leads that often cause intermittent ignition failures or nuisance lockouts

Reliable Combustion Safety: Maintains the required pressure switch vacuum

What happens if my system exceeds the 30VA limit

ensuring thread compatibility and material integrity for safety-critical damper applications

Watts 0556001 Relief Valve providing the throughput necessary forThe Watts 0556001 (model 100XL 8 150) is a heavy duty 3 4 inch T&P relief valve engineered for critical temperature and pressure protection in water heater and storage tank applications. This unit is the direct lead free successor to the legacy 0066110 model, ensuring compliance with modern potable water standards while maintaining a high discharge capacity of 105,000 BTU hr. It features a durable lead free copper alloy body and a thermo bonded coated