Best Cold Water Regulator

Inkbird ITC-308 Digital Temperature Controller 2-Stage Outlet Thermostat Heating and Cooling Mode Carboy Homebrew Fermenter Greenhouse Terrarium 110V 10A

RVGUARD RV Water Pressure Regulator Valve, Brass Lead-Free Adjustable Water Pressure Reducer with Gauge and Inlet Screen Filter for RV Camper Travel Trailer

Apeks MTX-R Cold Water Regulator (White - DIN)

Watts LF25AUB-Z3 Water Pressure Reducing Valve NPT Female Union x NPT Female, Polymer Seat, 1/2 Inch

Sherwood Scuba Blizzard Pro Cold Water and Ice Diving Regulator

Zurn Wilkins 34-NR3XLDU 3/4" NR3XL Pressure Reducing Valve with Double Union FNPT Connection

RVGUARD RV Water Pressure Regulator Valve With An Adjustable Knob, NO Tool Required, Brass Lead-Free Water Pressure Reducer with Gauge and Inlet Screen Filter for RV Camper Travel Trailer

Watts LFN45B Series 1" Lead-Free Cast Copper Silicon Alloy Water Pressure Reducing Valve, NPT Thread Union Inlet x NPT Female Outlet, Elastomer Disc, Adjustable Pressure 25 to 75 psi, Maximum 400 psi

Renator RV Water Pressure Regulator for RV Camper. Brass Lead-free Adjustable RV Water Pressure Regulator with Gauge. RV Water Regulator for Camper Travel Trailer, Reducer Valve W Filter. M22-0660R.

Watts Backflow Preventer 3/4 In Water Pressure Reducing Valve, Npt Thread Union X Npt Female, Max Work 400 psi, Adjust 25-75 psi