Clip on Pipe Clamp HVAC Thermometer - Clip on Thermometer Pipe Temperature Gauge for Measuring Temperatures of HVAC Hot Water Pipes and Radiators: Amazon.com: Industrial & Scientific
TD25-75-BKX - Bluefin TD25-75-BKX - 2.5" Tridicator, Extended Back Mount Temperature and Pressure Gauge (0-75 PSI, 70°-320°F)
Temperature Gauges | Japsin Instrumentation
Clip on pipework thermometer with range 0 to 120 C&F | Brannan
Precise Stainless Steel Coffee Thermometer With Clipable Pointer - Perfect For Hand Brewing And Milk Pulling - Temu
TDB25-75-BK - Bluefin TDB25-75-BK - 2.5" Tridicator, 1-9/16" Well, Back Mount Temperature & Pressure Gauge (0-75 PSI, 30°-250°F)