logo-art-240x160.jpgYour small, hometown-attitude company
Keith Specialty Store
6791 Rt 119 Hwy N,  Marion Center, PA 15759
US callers: 800-705-8838
FAX: 724-397-2228
Outside the US: 724-397-8838
8:00am-6:00pm  M-F, 8:00am-3:00pm Sat. (ET)


Latest Customer Review: March 23, 2020: (Honeywell R8184G 4009 oil primary control) Product was great ,service was super thanks for the help. - Douglas


COVID-19 Update: (March 17,2020)  We will remain open with regular hours as long as legally permitted to do so. We feel our service to the community to keep your heat on and your water flowing is important. Most of our products may also be ordered on our website and shipped to you. If you feel ill, please do not come inside the store. Call ahead and pay by credit card and we will set merchandise outside or you can call us from the parking area and we will bring it to you. We want to serve our customers the best that we can while keeping our employees safe.


Qest Compression Fittings

Qest compression fittings  by Zurn can be used to connect gray polybutylene, PEX, CPVC or copper tubing in any combination.  These are one of the few fittings that can be used with gray polybutylene plastic tubing.  Polybutylene was often used in manufactured homes.

Fitting sizes listed are for the inside diameter of the tubing.  IE: The 1/2 Qest coupling is for 1/2 inside diameter tubing which is 5/8 outside diameter.

  • 18-109.jpg
    Qest 3/8 compression coupling sku: 18-108, ($8.10) Qest 1/2 compression coupling sku: 18-109, ($9.20) Qest 3/4 compression coupling sku: 18-110, ($13.52) Qest 1 compression coupling sku: 18-111, ($17.20)
  • 18-134.jpg
    Qest 3/8 x 1/4 compression coupling sku: 18-130, ($8.10) Qest 1/2 x 1/4 compression coupling sku: 18-131, ($8.66) Qest 1/2 x 3/8 compression coupling sku: 18-132, ($8.66) Qest 3/4 x 1/2 compression coupling sku: 18-134, ($12.88)
  • Qest 3/4 compression x male adapter, NOT lead free-heating only sku: 18-101, ($17.00) Qest 1 compression x male adapter, NOT lead free-heating only sku: 18-102, ($22.00)
  • 18-105.jpg
    Qest 1/2 compression x female adap sku: 18-105, ($7.92) Qest 3/4 compression x female adapter sku: 18-106, ($11.04)
  • 18-115.jpg
    Qest 3/8 compression 90 ell sku: 18-114, ($9.57) Qest 1/2 compression 90 ell sku: 18-115, ($11.23) Qest 3/4 compression 90 ell sku: 18-116, ($17.20) Qest 1 compression 90 ell sku: 18-117, ($21.62)
  • 18-120.jpg
    Qest 3/8 compression tee sku: 18-119, ($9.79) Qest 1/2 compression tee sku: 18-120, ($12.88) Qest 3/4 compression tee sku: 18-121, ($19.50)
  • 18-122.jpg
    Qty:
  • 18-150.jpg
    Qest 1/2 compression valve sku: 18-150, ($27.97) Qest 3/4 compression valve sku: 18-151, ($27.88)
  • 18-174.jpg
    Qest 1/4 nut assembly sku: 18-170, ($3.87) Qest 3/8 nut assembly sku: 18-171, ($4.51) Qest 1/2 nut assembly sku: 18-172, ($4.56) Qest 3/4 nut assembly sku: 18-173, ($6.16) Qest 1 nut assembly sku: 18-174, ($6.88)
  • 50-pex-crimpxpolybutylene
    1/2 PEX crimp x Polybutylene adapter with rings, lead free sku: 62-34F, ($1.86) 3/4 PEX crimp x Polybutylene adapter with rings, lead free sku: 62-34G, ($2.68)