Robertshaw
Robertshaw 1970-024 Uni-Couple Thermocouple 20 to 30mV 24 in
Universal thermocouple for standing-pilot systems, 24 in length, 20 to 30 mV output, includes Tinnerman clip
- Universal fit for standing-pilot systems
- 20 to 30 mV output powers gas valves reliably
- 24 in copper-nickel cable reaches pilot assemblies easily
- Stainless-steel probe resists corrosion in flame
- Includes Tinnerman clip for quick mounting
Universal Standing Pilot Thermocouple
The Robertshaw 1970-024 Uni-Couple thermocouple serves as a direct replacement for standing pilot systems in LP or natural gas appliances. Its universal compatibility and included Tinnerman clip simplify installation for HVAC technicians and maintenance professionals restoring pilot function.
Passive Millivolt Generation
This thermocouple produces a 20 to 30mV output through thermal energy alone, requiring no external power supply. The copper and nickel alloy cable conducts the signal reliably, while the stainless steel probe withstands continuous flame exposure without active cooling or moving parts that generate noise.
Coaxial Connection and Durable Probe
A coaxial process connection ensures a secure gas valve link, and the 24 inch cable length provides routing flexibility within burner compartments. The 3/8 inch diameter by 2 inch stainless steel probe resists corrosion, and the supplied Tinnerman clip allows firm mounting without additional hardware.
Highlights
- Universal fit for standing-pilot systems
- 20 to 30 mV output powers gas valves reliably
- 24 in copper-nickel cable reaches pilot assemblies easily
- Stainless-steel probe resists corrosion in flame
- Includes Tinnerman clip for quick mounting
Specifications
| Brand | ROBERTSHAW |
|---|
Questions about this item
How do I install the 24 in Robertshaw 1970-024 thermocouple and what step is often missed?
Thread the coaxial process connection into the gas valve, seat the 2 in probe fully in the pilot flame, then secure the Tinnerman clip — skipping the clip lets vibration loosen the joint.
What maintenance or replacement will the Uni-couple thermocouple need over time?
The stainless-steel element and copper-nickel cable resist corrosion, but soot buildup on the 3/8 in probe reduces the 20 to 30mV output, so clean or replace the probe when voltage drops.
What limit appears first when the 1970-024 runs continuously in a standing pilot system?
Sustained heat gradually degrades the thermocouple junction, causing the millivolt signal to fall below the 20mV minimum needed to hold the gas valve open.
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