Robertshaw 1950-002 Thermopile

The Robertshaw 1950-002 Thermopile is a field-proven millivolt pilot generator engineered for self-powered gas control systems in wall furnaces, space heaters, and gas fireplaces. This 750mV thermopile features a high-performance 48-inch lead length with a two-lead spade connector configuration, ensuring a reliable electrical signal to the gas valve without external power. Built with a stainless steel outer jacket for superior heat resistance and a mica washer to prevent shorting, this component is designed for the high-duty cycles of commercial and residential heating. The inclusion of the PG9 adaptor and threaded nut facilitates a secure, flush-mount installation into the pilot burner assembly, maintaining proper flame impingement for optimal voltage output.

• Universal Compatibility: Replaces TP-75 series and similar millivolt gas valve generators across multiple OEM brands.
• High-Output Performance: Delivers a consistent 500mV to 750mV range to ensure the main burner ignites efficiently upon a call for heat.
• Industrial-Grade Build: Uses a copper and nickel alloy core for maximum conductivity and a stainless steel jacket to resist scale and heat blistering.
• Streamlined Installation: Features two-wire spade connectors and an included PG9 adaptor for quick field replacement in self-powered systems.

How do I know if my thermopile is failing?
If the pilot stays lit but the main burner fails to ignite, use a multimeter to check the DC millivoltage. A reading below 325mV under load typically indicates the 1950-002 needs replacement.

Is the PG9 adaptor required for all installations?
The PG9 adaptor is specifically used for General Controls PG9 pilot burners; for other standard pilot assemblies, the thermopile can often be secured using the attached threaded nut.

Can this replace a single-lead thermocouple?
No, this is a two-lead thermopile for millivolt circuits. It generates significantly more power (750mV) than a standard thermocouple (30mV) and is not cross-compatible.

This item is not eligible for free shipping.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.