Temperature Sensor Probe Kit for Digital Temperature Controller
$58.90This kit replaces the water temperature sensor and probe for furnaces utilizing a Digital Temperature Controller .
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This kit replaces the water temperature sensor and probe for furnaces utilizing a Digital Temperature Controller .

This tempered 5/8 ′′ cleaning rod (p/n 2001235) is used to clean the firebox in Classic Edge and E−Classic models .

This 2 ′′ piece of mastic tape (p/n 9391) is used as a sealant around the thermocouple for an airtight fit .

This 10-pack of brass fittings (p/n 5000464) adapts 25mm ThermoPEX pipe to 3/4 ′′ Male NPT threads.


This kit joins two ends of ThermoPEX piping with a twelve-inch rubber splice and band clamps, but fittings and crimp rings are sold separately .

This termination cap (p/n 2494) seals the 1−1/4 ′′ ThermoPEX insulation from water and includes band clamps .


This 150 ∘ F thermostat replacement kit for thermostatic valve assemblies includes a gasket and instructions .


This three-position Rocker Switch is a direct replacement Light Switch for wood boiler furnaces.

This replacement valve head (p/n 5000378) is for the p/n 604 TRV II Valve Body and Head .

This universal mounting kit (p/n 1097) includes two brackets for securing 5 x 12 plate heat exchangers to a surface .

The p/n 515 Fan Center Relay allows a 24-volt thermostat to control a 110-volt fan in forced-air systems .

The SR501 single zone switching relay is a universal, easily replaced component that is UL/CSA listed and compatible with conventional and programmable thermostats .

This universal 115/250V solid state relay (p/n 4626) is the direct replacement component for all Classic furnace models.


Replacement upper refractory components for Classic Edge outdoor furnaces. Crucial for firebox insulation and efficiency. Sold individually; two required per furnace. Select your model.

This medium-density, 1 ′′ braided seal rope (p/n 7594) is sold by the foot for versatile sealing applications, requiring separate silicone .

Sludge Conditioner is used to prevent and remediate mineral and corrosion buildup inside the water jacket and heat exchangers .


Water-to-air heat exchanger coils available in different sizes with different Btu outputs. Ideal for forced-air furnaces. Be sure to check the dimensions of the coil and the approximate plenum size, in addition to the outlet configuration.

This portable mini 3-in-1 meter (p/n 2900393) accurately measures wood moisture (6%−42%) and ambient temperature for optimal burning .
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