This component is built from high-grade copper with firmly bonded overlapping joints

always verify the 1/2" NPT tapping size and temperature range against your specific boiler’s manual to ensure proper aquastat compatibility

this sequencer features a high-insulation phenolic resin housing and 30A load capacity per pole

Direct Compatibility: Exact replacement for Watts 174A-3/4-100 and 0121475 specifications

For high-pressure steam service

Armstrong International A18633 Float Refrigerant This component is built fromThe Armstrong International A18633 Float is a critical replacement component engineered for high performance float and thermostatic (F&T) steam traps. Constructed from durable stainless steel, this float is designed to withstand the rigorous demands of industrial steam systems, ensuring reliable condensate drainage across varying pressures. It is specifically compatible with Armstrong B Series traps, including models 15B4, 30B4, 15B5, and 30B5, as