Grade · Yakima, WA
Pressure tanks, switches, SubDrive and VFDs for Yakima wells
Pressure tanks, pressure switches, SubDrive constant-pressure systems, VFD drives, pump houses and septic pumps: the controls that decide how a well behaves.
Chapter 01
When the controls are the problem, not the pump
A well that swings between strong pressure and a sputter is often describing its controls, not the pump down the casing. A pressure switch with burned contacts will chatter or fail to cut out. A waterlogged pressure tank has lost its air cushion, so the pump starts every few seconds to hold pressure the tank can no longer store. From the kitchen tap those symptoms look alike, which is why replacing the pump first is such an expensive guess.
Jamie Rookstool described a well that was "sputtering and creating air pockets." Castle came out to the house, assessed it and had it fixed the same day. That is the pattern across the valley: the crew checks the switch, the tank, the wiring and the pump before anything gets replaced, so the part that fails is the part that gets changed.
Short cycling is hard on a pump motor, and it can show up on the electrical side as a tripping breaker on the pump circuit. Describe what the gauge is doing when you phone (509) 580-0470 and the crew can tell you whether it sounds like a switch, a tank or something deeper in the well.
Open pump control cabinet with a variable frequency drive and transformer wired by Castle
SubDrive and VFD: two ways to hold pressure steady
Castle's own explainer puts it plainly: "SubDrive systems are specifically designed for constant pressure in well water systems, while VFDs offer broader motor control for various applications." In practice a SubDrive is a drive matched to a submersible pump so the pressure at the tap stays steady, and the shower does not drop when the dishwasher starts.
A VFD, a variable frequency drive, changes how fast a motor turns instead of switching it fully on and off. That makes it a fit for irrigation turbines and larger agricultural pumps as well as for a household well. The photo at the top of this page is a pump control cabinet Castle wired in the Yakima area, with the drive and the transformer sitting together behind one door.
Because the same company holds the electrical contractor license (CASTLPE842NN) and pulls the pumps, the drive, its breaker and the wire out to the wellhead are one job rather than a handoff between an electrician and a pump company. The equipment comes from brands the crew trusts: Grundfos, Franklin and Square D.
Chapter 03
Pump houses and septic pumps
Controls need somewhere dry to live. Castle builds and wires pump houses, from the conduit trench that carries power out to the building to the pressure tank, switch and panel inside. Their job photos show both ends of it: a new pump house with the trench running to the door under a stormy sky, and a finished one with the white tank and the control panel in place.
Septic pumps sit on the same list, for properties where wastewater has to be lifted instead of drained away. They depend on the same kind of float switch and dedicated circuit as a well, so the crew that wires the well wires them.
Across Yakima, Selah, Naches, Moxee, Wapato and Toppenish, a rural property often runs a well, a shop and a pump house off one meter. Customers name Joel for most well calls and Alex and Omar for the electrical ones, and Rob Weaver answers the same line at (509) 580-0470, which Google lists as open 24 hours.
"Our well was sputtering and creating air pockets." Jamie Rookstool, Google review of Castle Pump & Electric in Tieton (4.8 from 64 Google reviews).