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Dulac Logo Water Heater Isolation Device
SAFE PLUG RELIEF DRAIN LINE CONNECTOR

Water Heater Isolation Device
Prevent expensive water heater
damage and mold eradication due
to a leaky water heater.

Safe Plug Relief For Water Heater Safety
Prevent catastrophic explosions on water heaters
and boilers with the SPR.

Dulac Plumbing Innovations

SPR Safe Plug Relief
SPR Safe Plug Top View

Safe Plug Relief - Water Heater Safety
The SPR prevents CATASTROPHIC WATER HEATER EXPLOSIONS

Safe plug relief demonstration part 1
Safe plug relief demonstration part 2
Demonstrations require windows media
player. If you do not have windows media
player, please click here to download it.

The SPR (certified to CSA 1-06 US) is the
ONLY product that can PREVENT explosions
from plugged T&P drain lines and/or valves.

Top View - Illustrating
FULL BORE waterway.

Click here To compare how affordable and easy the
SAFE PLUG RELIEF installs!

SPR Installation
Simple to Install - thread SPR into
T&P valve, and thread drain line into
the SPR.

TAMPERPROOF - Once the SPR
is threaded into T&P, a slip washer
keeps the SPR from being removed.

Install Horizontally or Vertically.

NO maintenance required.

SPR Installation
Installation Instructions
(PDF File)

SPR Operation
After a simple installation (vertical or horizontal), the SPR does nothing (just like an airbag). In the event a plug
has been installed downstream, the SPR’s Red Seal of Safety will break away at 10psi, allowing the relief valve
to properly discharge.

SPR Normal Pressure SPR Downstream SPR Breakaway
Normal
Pressure
Release
Downstream Plug
Backpressure
Pushing Piston
After Breakaway
Pressure
Releases
 
F-I-T SAFE Guide
 

CLOSED SYSTEMS AND THERMAL EXPANSION
CODE #108.7 UNSAFE PLUMBING
Any use of plumbing regulated by this code constituting a hazard to safety, health or PUBLIC welfare by reason of INADEQUATE maintenance, dilapidation, obsolescence, fire hazard, disaster, damage or abandonment is hereby declared an unsafe use.

CODE #102.3 MAINTENANCE:
All devices or safeguards required by this code shall be maintained in compliance with the code edition under which they were installed. The OWNER or the Owner’s designated agent SHALL BE RESPONSIBLE FOR MAINTENANCE OF PLUMBING SYSTEMS

F-I-T SAFE
Click Here to view the complete F-I-T SAFE Guide

 

Important Message for Plumbing Professionals
Important Message for Plumbing Professionals
 
Dulac Plumbing
Features & Benefits SPR
  • CSA Certified
  • Tamper Proof
  • Fast & Easy to Install
  • Constant Protection


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SPR & WHID are protected with one or more of the following patents:
6698714, 2437533, 6021808, 2328173, 6823887, 2371001
Dulac Plumbing Innovations Corp.
603.528.8551