US$ 110.00
A 4" Top Support / Storm Collar (2SVSLSF04) is also needed to make a weather seal with the roof flashing
For HS115Plus Gas Boiler
3/8" ID high-temp silicone tubing
(1) gear clamp
(1) 36" long
THERMISTOR,MIXING 100074351 A 4" Top Support /HS170, HS199
US$ 110.00
US$ 342.50
US$ 2155.50