Skip to content
  • 🛍️ Shop now for 20-40% off 🛍️
  • 🛍️ Shop now for 20-40% off 🛍️
HVAC Components ShopHVAC Components Shop
    • No products in the cart.

      Return to shop

  • Cart

    No products in the cart.

    Return to shop

  • Service Tools & Parts
  • Ignition & Combustion Components
  • Pumps & Circulators
  • Capacitors
  • HVAC Components
    • Crankcase Heaters
    • Compressors
    • Heat Exchangers
    • Hard Start Kits
    • Furnace & Air Handlers
    • Cooling Filter Dryers
  • HVAC Hardware & Parts
    • Hydronic Hardware & Parts
Home / HVAC Hardware & Parts / Hydronic Hardware & Parts
Sale!
McDonnell & Miller Low Water Cutoff RB-24E-A, 24V W/Vent Damper Harness

McDonnell & Miller Low Water Cutoff RB-24E-A, 24V W/Vent Damper Harness

$168.95 Original price was: $168.95.$92.99Current price is: $92.99.

Buy Now
SKU: McDonnell & Miller WBB916033 Categories: HVAC Hardware & Parts, Hydronic Hardware & Parts Tags: 120°F (49°C) °F, 160 PSI psi, 24 V, 250°F (121°C), HVAC & Fans, McDonnell & Miller, RB, Residential Low Water Cutoff With Vent Damper Harness, Electronic
  • Sustainable materials, for a better tomorrow.
  • Efficiency meets excellence in customer care.
  • Fast, friendly, always here to help.
  • Buy Quality, Live Better
Browse
  • HVAC Components
    • Capacitors
    • Compressors
    • Cooling Filter Dryers
    • Crankcase Heaters
    • Furnace & Air Handlers
    • Hard Start Kits
    • Heat Exchangers
    • Ignition & Combustion Components
      • Combustion Air Systems
      • Flue Gas Vent Pipes & Supports
      • Fuel Valves
      • Gas Ignition & Pilots
      • Gas Regulators
      • Venting Control Kits
    • Pumps & Circulators
      • Circulators
      • Condensate Pumps
      • Expansion Tanks & Vents
      • Flanges, Seals & Mounts
      • Fuel Oil Pumps
      • Pump & Circulator Accessories
    • Service Tools & Parts
      • HVAC Cleaning Equipment
      • HVAC Thermometers
      • Installation & Maintenance Tools
      • Refrigerant Leak Detectors
      • Refrigerant Manifolds & Gauges
      • Refrigerant Recovery Tools
  • HVAC Hardware & Parts
    • Hydronic Hardware & Parts
  • Uncategorized
  • Description
  • Additional information
  • Reviews (0)
McDonnell & Miller Low Water Cutoff RB-24E-A, 24V W/Vent Damper Harness

Brass threads enable a secure and trouble-free installation. Test button to confirm proper operation. Universal wiring harness fits 100% of today’s gas boilers. -S, -A and -L models provide “plug & play” installation with most residential boilers. Compact size. Easy to install and wire. Automatic reset feature resumes operations after a power outage when water is on probe. Green LED indicating power is on. Red LED indicating low water condition. Solid state operation. 15,000 ohms probe sensitivity. Maximum ambient temperature 120°F (49°C). Maximum water temperature 250°F (121°C). Maximum water pressure of 160 psi (3. 5 kg/cm3). Made in the USA.

Weight

1.5 lbs

Height

1-3/4 in

Depth

3 in

Max Ambient Temperature

120°F (49°C) °F

Type

Residential Low Water Cutoff With Vent Damper Harness, Electronic

Series

RB

Max Water Temperature

250°F (121°C)

Voltage

24 V

Max Water Supply Pressure

160 PSI psi

Manufacturers Part Number

144694

Brand

McDonnell & Miller

Warranty

1 yr

Reviews

There are no reviews yet.

Be the first to review “McDonnell & Miller Low Water Cutoff RB-24E-A, 24V W/Vent Damper Harness” Cancel reply

Related products

Sale!
Maxitrol 1" Lever Acting Regulator with Vent Limiter 325-5V-1 Up To 325,000 BTU
Quick View

Gas Regulators

Maxitrol 1" Lever Acting Regulator with Vent Limiter 325-5V-1 Up To 325,000 BTU

$58.95 Original price was: $58.95.$41.27Current price is: $41.27.
Sale!
Maxitrol 3/4" Lever Acting Regulator with Vent Limiter 325-5V-3/4 Up To 325,000 BTU
Quick View

Gas Regulators

Maxitrol 3/4" Lever Acting Regulator with Vent Limiter 325-5V-3/4 Up To 325,000 BTU

$59.95 Original price was: $59.95.$41.97Current price is: $41.97.
Sale!
Kulthorn Compressor AZ Series AZA0413YK1, 1/6 HP, 115V, 1 Phase, R134A, CBP
Quick View

Compressors

Kulthorn Compressor AZ Series AZA0413YK1, 1/6 HP, 115V, 1 Phase, R134A, CBP

$221.95 Original price was: $221.95.$91.99Current price is: $91.99.
Sale!
Global Industrial™ Drain Pump Kit For 5 Ton Portable AC's
Quick View

HVAC Components

Global Industrial™ Drain Pump Kit For 5 Ton Portable AC’s

$363.95 Original price was: $363.95.$97.99Current price is: $97.99.
Sale!
Mastercool® 63010 50 lb D.O.T. Refrigerant Recovery Tank Without Float Switch 1/4" FL-M
Quick View

HVAC Components

Mastercool® 63010 50 lb D.O.T. Refrigerant Recovery Tank Without Float Switch 1/4" FL-M

$167.95 Original price was: $167.95.$96.99Current price is: $96.99.
Sale!
Supco ATP1 Attic Pro® HVAC Utility Lift
Quick View

HVAC Components

Supco ATP1 Attic Pro® HVAC Utility Lift

$168.95 Original price was: $168.95.$95.99Current price is: $95.99.
Sale!
Supco® Port-A-Blaster Coil Cleaning Machine - 0.25 GPM - 140 PSI
Quick View

HVAC Cleaning Equipment

Supco® Port-A-Blaster Coil Cleaning Machine – 0.25 GPM – 140 PSI

$193.95 Original price was: $193.95.$96.99Current price is: $96.99.
Sale!
Supco Fin Comb 9 & 10 Fins Per Inch
Quick View

HVAC Components

Supco Fin Comb 9 & 10 Fins Per Inch

$18.25 Original price was: $18.25.$12.78Current price is: $12.78.
MY ACCOUNT
  • Cart
  • Checkout
  • My account
  • Wishlist
ABOUT US
  • About Us
  • FAQ
  • Returns & Exchanges
  • Delivery
  • Contact Us
LEGAL
  • Privacy Policy
  • Payment Method
  • Shipping & Returns
  • Term and Conditions
Signup for Newsletter

We will keep you up to date with all the latest news and exclusive promotions.

    Copyright 2025 © www.servicezro.com
    • Service Tools & Parts
    • Ignition & Combustion Components
    • Pumps & Circulators
    • Capacitors
    • HVAC Components
      • Crankcase Heaters
      • Compressors
      • Heat Exchangers
      • Hard Start Kits
      • Furnace & Air Handlers
      • Cooling Filter Dryers
    • HVAC Hardware & Parts
      • Hydronic Hardware & Parts
    • Login

    Login

    Lost your password?

    Register

    Your personal data will be used to support your experience throughout this website, to manage access to your account, and for other purposes described in our privacy policy.