mercoid for sale, brand-new and used.

Water level control, cast iron chamber, SPST mercury switch, opens on increase. Heavy Duty, Cast Iron Chamber Designed for boiler applications, the M

SUPERIOR Mercoid DA-7031-153-7 pressure switch w/ Hyett PRESSURE SENSING DIAPHRAM - ASSEMBLY

Thanks for looking this Mercoid DA31-153-9 is standard equipment for the Joslyn Clark and Sylvania Electric fire pump controllers, Because of its universal contacts it will also work with a Metron, Firetrol ,Cuttler hammer andMaster control systems electric and diesel fire pump controller. This particular switch was taken out of a working Metron fire pump controller that was replaced due to an upgrade.

This is a working Mercoid pressure switch was removed from a Master DC diesel fire pump controller that was taken out of service due to an upgrade, Has the bracket to back pan mount in a Master DC ,DCB, DCFRA or DCFB Diesel fire pump controller.I tested the switch with air and gauge switch is in range. Will also work with a Metron Diesel or electric as well as firetrol.

Up for Buy it now or Best offer is Antique Rare Mercoid Liquid Mercury tube Relay Switch Electronic This unit is in working condition This is from an estate of a 90 year old retired electrician. I have 3 of these 2 have metal mercoid Covers 1 does not. the last one will be sold without the cover...

Mercoid Pressure Switch Manufacturer: MERCOID Model: DA-21-2-10S Date Code:T28W (This is an unused item from our shelf and in Box, Please see pictures)

UP FOR AUCTION IS THIS COOL OLD MERCOID SWITCH GAUGE. THE CONDITION IS VERY GOOD FOR ITS AGE. AND IT LOOKS COMPLETE.

This is a MERCOID DWYER CONTROL DA-31-153-7 PRESSURE SWITCH SPDT 5-150PSIG 120/240VAC/DC from unused inventory!

New old stock, never used, Mercoid DA-531-2-7 pressure switch for your consideration. These retail for between $370 and $600. Thanks for looking.

Thanks for looking this Mercoid DA31-2-9 works with Metron, Firetrol ,Cuttler hammer andMaster control systems electric and diesel fire pump controller. This particular switch was taken out of a working Metron fire pump controller that was replaced due to an upgrade. The switch has been tested and verified to be in working order, the switch has not be subjected to freezing temperatures.

Up for sale are Two Used Adjustable Mercoid Pressure Switches. The switches are in Great shape & only used a very short time. They are mounted on a Stainless steel back.

Mercoid PR-153-P2 Limit Control T16V-S24245401 Pressure switch NEW The Item NEW AND WORK NORMALLY This listing is only including items shown in pictures

Condition: New in Box Quantity: 1 Brand: Mercoid Control Description:  Liquid Level Control Type:  211-WT-7806-C1-60 AC-DC:  120V  12A AC-DC:  240V  10A Motor Hp:  1/2 1" apprx bottom port 1/2" apprx top port

Greetings to all of my customers. Everything I sell I have a limited supply of or I MAY HAVE ONLY 1. If you see something that is a really good deal and you can stock up you should :) Once it is gone then it is gone!

$132 each or best offer ($132 x 3) SOLD AS IS ASK/COMMENT ABOUT ANYTHING BEFORE PAYMENT WE ARE A FITTINGS AND VALVES SURPLUS WAREHOUSE. IT'S MORE THAN LIKELY THAT WE HAVE MORE THAN ONE OF THIS ITEM (New Or Used). *if you have a list of items that you are looking for, you may send me a message and I'll see if I have them in stock* ASK ABOUT BUYING

MOOSE TRADING LLC 251-650-2219