Use in conjunction with item number BPT2 (1/4 MPT PT Plug) to check pressures and temperatures at the geothermal unit, Barb insert to Male Iron Pipe
Brass Elbow - 3/4 Male Pipe Thread x 1 Barb Union EL w/ PT
10Pcs/bag 1/4 3/8 Ferrule OD Stainless steel 304 Union Elbow Pipe Fittings - AliExpress
Watts 4517RB-1814 Brass 1 CTS x 3/4 CTS Reducing Union Elbow Push Fitting Pex
WATTS, 3/4 in x 3/4 in Fitting Pipe Size, Dielectric Union
WATTS Dielectric Union: 3/4 in x 3/4 in Fitting Pipe Size, Polysulfone, Lead-Free Brass x Brass
A.Y. McDonald Radiator Unions
LF7RU4-3 1 X 3/4 - Watts
Brass Adapter Instrumentation Pipe Fittings w/ Thread Sealant, Female NPT x Male NPT, USA Industrials
Crimp Elbows - Watts
LTWFITTING 3/4 in. OD Flare Brass Coupling Fitting (5-Pack) HF421205 - The Home Depot