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Zone Expander Board
Regular price $141.99 USDRegular priceUnit price per -
Field Splitter Kit
Regular price $49.99 USDRegular priceUnit price per$45.00 USDSale price $49.99 USD -
3 Port Manifold Set
Regular price $53.99 USDRegular priceUnit price per -
Larger Pump [Retrofit] Kit for better boiler efficiency for REV3
Regular price $547.99 USDRegular priceUnit price per$498.00 USDSale price $547.99 USD -
(10 pack) 3/4" SharkBite Brass Crimp Coupling KIT
Regular price $40.00 USDRegular priceUnit price per -
(10 pack) 3/4" x 5/8" SharkBite Brass Crimp Reducing Coupling KIT
Regular price $40.00 USDRegular priceUnit price per -
WIFI Tekmar 561 w/ Slab Thermostat
Regular price $300.00 USDRegular priceUnit price per -
Plastic Clamp - 0.85" to 0.93" (21.5 to 23.5mm) - Clamp 4-pack
Regular price $2.00 USDRegular priceUnit price per -
5/8" Oxygen Barrier PEX-b Tubing (1,000 ft Coil)
Regular price $609.00 USDRegular priceUnit price per -
Wood Boiler Heat Source Kit
Regular price $499.99 USDRegular priceUnit price per -
Pro-Line Pressurized Boiler Heat Source Kit
Regular price $249.99 USDRegular priceUnit price per -
3/4" x 500' (ft) Oxygen Barrier PEX Tubing
Regular price $310.00 USDRegular priceUnit price per -
Plate Heat Exchanger 75K BTU
Regular price $150.00 USDRegular priceUnit price per -
Dual Temperature Divider
Regular price $141.99 USDRegular priceUnit price per -
Larger Pump [Upgrade] Kit for better boiler efficiency for REV4
Regular price $299.99 USDRegular priceUnit price per$498.00 USDSale price $299.99 USDSale -
5/8" Oxygen Barrier PEX-b Tubing (400 ft Coil)
Regular price $268.00 USDRegular priceUnit price per