For extreme heat applications

Built for field durability

preserving the integrity of capacitors and compressor motor windings

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

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

Armstrong International A18633 Float Refrigerant For extreme heat applicationsThe 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