Legacy Replacement: Specifically engineered to replace outdated 624735-series boards without the need for field modifications

This 24V sequencing relay features a 3PST (Triple Pole Single Throw) configuration with normally open contacts

Technical performance is centered on its open circuit voltage range of 25–35 mV

Key Benefits Precise Calibration: Factory-set to open at -0

16 Cv coefficient

Robertshaw 1950-018 Thermopile Els PW 17895 Legacy Replacement: Specifically engineered toThe Robertshaw 1950 018 Thermopile is a heavy duty millivolt generator designed for self powered gas control systems in commercial and residential heating applications. Built for technicians who need a reliable 2 lead pilot generator, this unit features a 18 inch lead length with spade connectors to ensure a secure interface with the gas valve. The assembly utilizes high grade copper and nickel alloys to maximize thermal to electrical energy