mod con intake filter build

hot_rod · October 10

Using a common K&N universal filter. No name knock-off of this filter for around 35 bucks. This model slips over a piece of 6" PVC thin walled PVC. I imagine you could find a 2" version.

The aluminum adapter plate just slips over the 2" intake PVC.

I want to keep woodworking dust out of the machine.

I doubt a manufacturer would approve this without some extended testing?

EdTheHeaterMan · October 10

I believe you are doing the testing yourself at this point. How often would you need to service/clean/replace the filter would be determined by the amount of dust collected by the filter.

hot_rod · October 10

https://forum.heatinghelp.com/discussion/comment/1906022#Comment_1906022

previous I pulled outside air into this boiler. It did have a number of bugs in the burner when I serviced it last year.

just moved it across the shop, thought I would try inside air this time.

EdTheHeaterMan · October 10

But why stop at such a small filter. Why not build something that is 28" x 28" x 24" that can hold 5 filters like this:

hot_rod · October 10

https://forum.heatinghelp.com/discussion/comment/1906025#Comment_1906025

I could rent space to my neighbors on that filter rack

PC7060 · October 11

https://forum.heatinghelp.com/discussion/comment/1906024#Comment_1906024

what drove the move? Always curious about people change thier shops; I envisions your as a hydronics experimentation lab.

pedmec · October 11

Aerco Boilers use the KN's for their Benchmark boilers. Should work for yours

HomerJSmith · October 11

K&N filters are made for an oil spray on the filter media. That's where it gets its excellent filtering without a loss of air ingestion. Its washable and re-useable. Lifetime.

As I recall the K&N has a greater filtering capacity, micron size particles, than a paper filter without compromising flow. In the long run it is cheaper than paper.

hot_rod · October 11

https://forum.heatinghelp.com/discussion/comment/1906031#Comment_1906031

I replaced my boiler with an A2WHP, so the boiler moved to another location, but is piped for backup if needed.

Yes I do have some wall space for testing hydronic ideas and components.

mattmia2 · October 11

if a 90 adds like 5' i don't want to know what that adds

Forge_Fixer88 · October 11

You should be able to calculate the equivalent feet the filter adds with a manometer?

hot_rod · October 11

this boiler is allowed 40’ of 2” pvc intake.

I don’t think this filter would be a restrictive as the much piping? Obviously as it plugs up the resistance increases.

I think chocking the intake reduces the firing rate.

hot_rod · October 11

The Aerco Benchmark used a 16x20 furnace filter, those boilers start at 750,000 btu input

mod con intake filter build

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