ST201XL + BV101 Bundle. Articulating Sight Tube and Bleed Off Valve Combo

ST201XL + BV101 Bundle.  Save by buying the best universal sight tube and bleed off valve in the industry together.  This bundle contains the ST201XL and the Bleed off valve together in a single bundle.  

ST201XL is the ST201 sight tube plus a removable extension tube that extends the water column of the ST201 to over 28“ that gets you to 1psi of water column. *Patent Pending* 

BV101 is an easy to use brass bleed off (compensating) assembly.  No tools or tape required!