Wood-boiler temperature monitors, thermowells, and accessories. Ships nationwide. Factory-flashed and ready to run.
Flagship monitor with a 20x4 OLED display, on-device menu and button controls. Reads supply, return, and ΔT right at the boiler.
Headless WiFi temperature monitor with dual probe inputs. The one most folks buy. Standard or long-range antenna.
Compact monitor with a small OLED readout. Glance at live temps at the boiler without pulling out your phone.
Pack of ten Tempist Mini units at wholesale pricing. Ideal for installers, HVAC pros, and small dealers. Save $400.
Everything you need to mount two probes cleanly: stainless thermowell, NPT-to-PEX adapter, thermal paste, and install instructions.
304 stainless steel, 50 mm immersion, 1/2″ NPT thread. The bare thermowell on its own — add to any existing install.
Lead-free brass adapter for connecting a thermowell to PEX tubing. NSF-certified for potable and hydronic systems.