This Heat Source pump kit is meant to move water from the HUG Hydronics tank to-and-from your heat source. It is typically used for water heaters, not boilers. 

The pump in this kit is designed for water heaters that require higher head pressure but do not need more than 4 gallons a minute to transfer the needed Btu. 

For a larger pump check our Large Heat Source Pump Kit.

Note* If a Hydronics tank is purchased along side this kit it will be pre-installed into the tank. 
Kit includes: 
(1) - Standard DC50 pump
(2) - 1/2" Heater hoses
(4) - Clamps