Hydrolevel 48-3150 Hydrostat 3150Hydrolevel 48-3150 Hydrostat 3150
Hydrolevel 48-3150 Hydrostat 3150
HydrolevelSKU: 609937

Hydrolevel 48-3150 HydroStat Control

$185.00
In stock (145)

The Hydrolevel 48-3150 HydroStat combines universal temperature-limit control with low-water cutoff capability for oil-fired boilers. Designed to replace many common cold-start and triple-action Aquastat controls, it offers familiar terminal designations, adjustable limits and differentials, an LED temperature display and onboard diagnostics. Low-water cutoff protection requires a Hydrolevel Electro-Well, sold separately.

Shipping policy

Orders placed by 2:00pm EST will ship same day, except on holidays.

More Details

Product overview
  • Combination temperature-limit control and low-water cutoff
  • Manufacturer model: HydroStat 3150
  • Designed for oil-fired boilers
  • Supports cold-start and tankless-coil boiler applications
  • Replaces many common cold-start and triple-action Aquastat controls
  • Digital display shows boiler temperature and control settings
  • Adjustable high limit: 100°F to 220°F
  • Adjustable low limit: Off or 110°F to 200°F
  • Adjustable high and low differentials: 10°F to 30°F
  • Thermal Pre-Purge feature helps use residual boiler heat
  • Operating voltage: 120VAC, 60 Hz
  • Includes a standard 12-inch sensor
  • Electro-Well required for low-water cutoff operation; sold separately
  • Professional installation required
Specifications
Manufacturer Part Number 48-3150
UPC 642277481504
Overall Dimensions 3-3/32 in H x 3-3/8 in W x 3-3/8 in D
Material n/a
Domestic or Import n/a
End Style n/a
Type n/a
ADA Compliance n/a
Warning Professional installation required
Standards and Approvals n/a
Resources
Delivery & Returns

Orders will ship same day if received by 2pm EST.

Upcoming holiday closures: July 3, 2026

All returns are inspected on receipt; credit is issued after condition is confirmed. Credit is issued only for items returned in original, saleable condition after inspection.

FINAL SALE ITEMS ARE NOT ELIGIBLE FOR RETURNS OR EXCHANGES.

Recently viewed products